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Biology Presentation templates

Give interesting presentations about biology with these free ppt templates and google slides themes. all life forms should enjoy a nice slide deck, related collections.

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Biology Thesis

Aristotle said that “by ‘life,’ we mean a thing that can nourish itself and grow and decay.” Biology is, indeed, the study of life as such. If you have just finished your thesis on biology and your viva is approaching, use our Biology Thesis template!

Calcium Malabsorption Syndrome

Download the "Calcium Malabsorption Syndrome" presentation for PowerPoint or Google Slides. Taking care of yourself and of those around you is key! By learning about various illnesses and how they are spread, people can get a better understanding of them and make informed decisions about eating, exercise, and seeking medical...

Anatomy and Physiology Major for College: Cell Biology

One of the most intriguing subjects of a major in Anatomy and Physiology is Cell Biology, and this template provides an introduction to its fascinating universe. From the basics of cellular structure and function, to specialized topics such as organelles and DNA replication, this template will provide an overview that...

Science Subject for High School - 9th Grade: The Building Blocks of Life Infographics

Download the "Science Subject for High School - 9th Grade: The Building Blocks of Life Infographics" template for PowerPoint or Google Slides and discover this set of editable infographics for education presentations. These resources, from graphs to tables, can be combined with other presentations or used independently. The most important...

Science Subject for Middle School - 9th Grade: Biology

If you encourage your students to get interested in science since middle school, who knows, some of them could even become renowned scientists! Let's go step by step: first, download this template and customize it so that you have a slideshow for your biology class. Define concepts in its slides,...

Animal Infographics

Download the "Animal Infographics" template for PowerPoint or Google Slides and discover the power of infographics. An infographic resource gives you the ability to showcase your content in a more visual way, which will make it easier for your audience to understand your topic. Slidesgo infographics like this set here...

Biology Subject for High School: Algae and Fungi

Download the "Biology Subject for High School: Algae and Fungi" presentation for PowerPoint or Google Slides. High school students are approaching adulthood, and therefore, this template’s design reflects the mature nature of their education. Customize the well-defined sections, integrate multimedia and interactive elements and allow space for research or group...

Science Subject for Elementary: Reproductive System

This presentation template is perfect for teaching elementary school students about the reproductive system. It includes engaging and informative illustrations to help reinforce understanding of the topic. Students will learn about the anatomy of reproduction, such as components like sperm and ovum, and they will understand how these components work...

Biology Infographics

Download the "Biology Infographics" template for PowerPoint or Google Slides and discover this set of editable infographics for education presentations. These resources, from graphs to tables, can be combined with other presentations or used independently. The most important thing is what you will achieve: transmit information in an orderly and...

Molecular Biology - Bachelor of Science in Human Biology

Download the "Molecular Biology - Bachelor of Science in Human Biology" presentation for PowerPoint or Google Slides. As university curricula increasingly incorporate digital tools and platforms, this template has been designed to integrate with presentation software, online learning management systems, or referencing software, enhancing the overall efficiency and effectiveness of...

Science Subject for High School - 9th Grade: The Building Blocks of Life

When you stack lots of building blocks, you end up having a nice figure or building, but when you have lots of "building blocks of life", you get organisms! Use this template for educational purposes and teach your students what are cells. We have added illustrations that are funny so...

Microbiology Breakthrough

Advances in medicine are always important events, and it’s great if the new findings can be presented in a clear manner. If you want to make a contribution to the medical community and share what you found out in your research, this new breakthrough presentation template is for you.

Marine Biology Science Lesson for College

Here’s a beautiful marine biology template if there ever was one! True to form, it’s all dreamy watercolors in ocean shades and an abundance of marine animal and plant life. From freshmen to grad students, everyone will be happy to listen to a lesson on this template! Download it today...

Biochemistry Lesson for High School

How does the world around us work? That is a question too broad to be answered in a single class, but you can explain to your students in your next class a tiny and important part of its functioning and composition: what is a molecule and how they are made...

Cell Behavior Thesis Defense

You're going to need a good number of zeros in order to write how many cells there are in the human body. How do they work and what's their function? People like you, who've studied cells, can help us know a bit more about them! We've got something in return:...

Science Subject for High School - 9th Grade: Molecular Genetics

DNA is fascinating! The Slidesgo team marvels at how within something so microscopic, there can be so much information about not only whether we have green or blue eyes, but even about our personality. So, genetics defines us and, therefore, studying it is very important. In any high school science...

DNA Lesson for High School

Download the "DNA Lesson for High School" presentation for PowerPoint or Google Slides. High school students are approaching adulthood, and therefore, this template’s design reflects the mature nature of their education. Customize the well-defined sections, integrate multimedia and interactive elements and allow space for research or group projects—the possibilities of...

Cellular Morphology

Download the "Cellular Morphology" presentation for PowerPoint or Google Slides. The education sector constantly demands dynamic and effective ways to present information. This template is created with that very purpose in mind. Offering the best resources, it allows educators or students to efficiently manage their presentations and engage audiences. With...

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Free Biology powerpoints

Biology powerpoint free to download.

Free powerpoint presentations on Biology.

These powerpoint presentations have been made by teachers and experts for different topics of Biology. Please feel free to download and use.

Definition of Biology:  

Biology is the natural science that studies living organisms. DNA is the building block of life. Cells are formed from the cascade of events that occur such as transcription and synthesis of proteins from which the cells are built from. Single cell organisms exist, but multicellular organisms have evolved over millions of years. These animals and plants can be classified into many categories and humans are one of these. Like all more advanced lifeforms, humans have a complex range of bodily functions to regulate them. Energy is generated from ingesting food  which is broken down by enzymes to release this form of energy. Plants on the other hand use the power of the sun to capture the energy using photosynthesis. 

Fungi are distinct to both animals and plants. They exist as both multicellular organisms and single cell organisms (yeast). Cell wall composition is different to plants and animals. They contain chitin, a hard substance also found in the hard exoskeleton of some insects. When people think of fungi, they will usually think of the multicellular mushrooms we commonly see and buy from supermarkets. There are three major groups of fungi. 

Multicellular filamentous moulds, macroscopic filamentous fungi often referred to as mushrooms, and single celled mircroscopic yeasts. The ability of single cell organisms to assemble into multicellular organisms is a key characteristic of some fungi.

Nature crisis: Humans ‘threaten 1m species with extinction’

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Biology PowerPoint presentations are slide-based presentations created using Microsoft PowerPoint or similar software that focus on various topics within the field of biology. These presentations typically contain text, images, diagrams, and other multimedia elements to convey information and engage the audience.

Biology PowerPoint presentations can cover a wide range of subjects, including:

Introduction to Biology: This type of presentation provides an overview of the study of biology, its branches, and the scientific method.

Cell Biology: These presentations focus on the structure, function, and components of cells, including organelles, cell division, and cell processes.

Genetics and Heredity: Presentations on genetics explore topics such as DNA, genes, chromosomes, inheritance patterns, genetic disorders, and genetic engineering.

Evolution: These presentations discuss the principles of evolution, natural selection, adaptation, speciation, and evidence for evolution.

Ecology: Ecology presentations cover ecosystems, populations, communities, interactions between organisms and their environment, and topics such as biodiversity, conservation, and climate change.

Human Anatomy and Physiology: These presentations delve into the structure and function of the human body, including organ systems, cells, tissues, and physiological processes.

Microbiology: Presentations on microbiology focus on microorganisms, such as bacteria, viruses, fungi, and protists, their structure, function, classification, and their roles in health and disease.

Plant Biology: These presentations explore plant structure, growth, reproduction, photosynthesis, plant hormones, and adaptations.

Animal Biology: Presentations in this category discuss animal diversity, anatomy, physiology, behavior, and adaptations.

Biotechnology: These presentations cover topics such as genetic engineering, DNA technology, biotechnological applications in medicine, agriculture, and industry.

These are just a few examples, and there are many more specialized topics within biology that can be covered in PowerPoint presentations. The content and focus of a biology PowerPoint presentation will depend on the specific educational level, purpose, and audience it is intended for.

• Physiology Videos
• Anatomy Videos
• High School Biology Videos

What is Biology (Powerpoint Slides) – Chapter 1

Here are the slides for my presentation on “What is Biology ”, where I give a general introduction to biology, the scientific method and the nature of science. This covers chapter 1 of Biology: The Dynamics of Life . If you would like to see the actual videos of the lectures, feel free to check them out at the following links:

• Section 1.1 What is Biology
• Section 1.2 The Methods of Biology
• Section 1.3 The Nature of Biology

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Home PowerPoint Templates Biology

Biology Templates for PowerPoint & Google Slides

Biology PowerPoint Templates and slide designs for science projects and presentations are available for download. Discover unique PowerPoint slides and layouts, such as Microbiology PowerPoint Template backgrounds or relevant icons and PowerPoint shapes to represent the brain, eye, microscope, DNA, and other body parts.

Creatively designed with a professional touch, these Biology PowerPoint templates will help you create a highly informative presentation. The DNA Concept Template for PowerPoint diagrams depicts the utility of DNA in biology, chemistry, health care, and other related fields for educational and medical purposes.

Cardiology PowerPoint Template

Human Growth & Development PowerPoint Template

Urine Color Chart Slide Template for PowerPoint

Dichotomous Keys PowerPoint Diagram Template

Patient Journey PowerPoint Template

Cladogram PowerPoint Template

Eye Structure PowerPoint Template

DNA Repair Process PowerPoint Scene

Blood Types PowerPoint Template

Science Lab PowerPoint Template

BioTech PowerPoint Template

Sensory Details PowerPoint Template

Biology is a broad field of study that is one of the pillars of science because it is the study of life. Every other branch of science is dependent on biological research, revealing the mechanisms of living and non-living things. Biology is the heart of science, so there are spaces in our Science PowerPoint Templates & Presentation Slides for biology-related presentation templates. Microbiology PowerPoint Template is one of our most popular science PowerPoint templates. It is also an important branch of biology that studies microbes that cannot be seen with the naked eye.

On the other hand, biology is a natural and applied science discipline with branches in medicine, health, and agriculture. It denotes Biology. PowerPoint Templates are collections of versatile PowerPoint presentation slides used by researchers, students, lecturers, or professors in fields such as pharmaceuticals, medicine, agriculture, food and beverages, and so on. This subject allows biologists to study multiple levels of organization, molecular biology, plant and animal anatomy and physiology, and population evolution. It is significant because no field can function without the aforementioned organizational levels. As a result, no area will thrive in the absence of biology.

Medical practitioners, professors, lecturers, students, and pharmaceutical or medical equipment manufacturers can use these slide presentation templates to lecture and positively present their brand to their audience. The Eye Anatomy PowerPoint Template is best discussed using PPT presentation templates, and academics can use these templates to teach biology and medical education. Using pre-designed professional PowerPoint templates also helps to boost your neurology presentation session, save time and energy, and visual appeal to all audience members.

Who is eligible to use the Biology PowerPoint Template?

Medical practitioners, scientists, pharmaceutical companies, medical equipment manufacturers, and professors can benefit. Biology is a broad science and can use its templates to teach pathology, anatomy, physiology, and microbiology. These presentation slides are basic PowerPoint templates and themes that will assist you in communicating your ideas and engaging your audience.

How to download and edit Biology PowerPoint Templates?

Login to your Slidemodel account, navigate the Biology PowerPoint template and choose a template to download. A page with information about the template and a download icon will appear. After that, you can modify the downloaded template to suit your needs.

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Our annual unlimited plan let you download unlimited content from slidemodel. save hours of manual work and use awesome slide designs in your next presentation..

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Free Biology Templates for PowerPoint and Google Slides

Make your lessons and presentations stand out with these free templates for biology .

Download them to use with PowerPoint or edit them in Google Slides and start creating!

Africa landscapes and animals free PowerPoint Template and Google Slides Theme Africa Viva is perfect to talk about Africa, the savannah or the animal kingdom. It has beautiful sunset colors and papercut style landscapes made with different layers. I’ve included two different title slides, one with the African continent and […]

Africa Viva, free presentation template.

Neutral watercolors organic shapes free PowerPoint Template and Google Slides Theme This template features neutral watercolor organic shapes and it can be used for presentations about topics such as: Nature: For example, you could use the template to discuss the different types of trees, flowers, or animals in a particular […]

Watercolor Organic Shapes Presentation Template.

World Oceans Day Free PowerPoint Template and Google Slides Theme Celebrate World Oceans Day with this free PowerPoint template and Google Slides theme! This template features a beautiful blue color scheme and ocean-themed images, making it the perfect way to create presentations about the importance of our oceans. The template […]

World Oceans Day free PowerPoint template.

Free Earth Day animated template for Google Slides and PowerPoint. You can use this PowerPoint template and Google Slides theme to raise awareness of environmental issues. It features beautiful visuals and resources of planet Earth, which you can customize freely to make the presentation your own. Earth Day is an […]

Earth Day free ppt and Google Slides template.

Free interactive choice board and mini theme + morning meeting / daily agenda slide for Google Slides and PowerPoint. This free interactive choice board and mini theme with morning meeting / daily agenda slide is perfect for the little ones. Let’s learn about the importance of bees with this black […]

Bees are awesome. Interactive choice board and mini theme.

Free spring template with flowers and ladybugs for Google Slides and PowerPoint. Flowery slides to celebrate spring or if you just are in the mood for flowers and ladybugs. Colorful template that uses theme colors for almost all objects (all the colors are customizable thru the edit theme option, except […]

Flowers and Ladybugs free slides template.

Free PowerPoint template and Google Slides theme. A simple and beautiful slides theme. Pastel presentation template. Rita is a simple presentation template and even though I’ve made it for pottery, it can be used for a number of different topics. I chose earthy pastel tones, but you can customize its […]

Rita, organic shapes free presentation template.

Free PowerPoint template and Google Slides theme. Microscope template with interactive slides. If you are teaching about cells, bacteria or anything microscopic, this template might work! I’ve included a couple of slides with activities for elementary students: drag the names of the parts of a flower or a plant to […]

Biology free presentation template.

Free PowerPoint template and Google Slides theme. Under the sea slides backgrounds. A while back someone asked me for an “under the sea” template, and little by little I’m trying to catch up. Stingrays, whales and fishes along with some algae and corals set the scene for this template. I […]

Sebastian, ocean slides theme.

Free PowerPoint template and Google Slides theme. Jungle theme for presentations. I received a lot of requests for a jungle theme, so here it’s Bravestone. It has lots of green, leaves, a swamp, monkeys, hippos, and snakes. Also, an old piece of paper (I stained a sheet of paper with […]

Bravestone, jungle backgrounds presentation template.

Free Template for PowerPoint and Google Slides presentations Burton Burton is a complete Google Slides or PowerPoint presentation template. It’s perfect for presentations about nature or the environment, or maybe you just like green, plants or leaves. It comes with different slide designs, so you can use the ones that best represent the […]

Burton Free Presentation Template for Google Slides or PowerPoint

A collection of TED Talks (and more) on the topic of Biology.

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Free Biology PowerPoint Templates

Free Biotechnology PowerPoint Template

Free Biotechnology PowerPoint Template is a presentation slide template for PowerPoint that you can use to prepare presentations for a variety of biotechnology presentation purposes and topics. The biotechnology PPT template contains a modern title slide featuring a robot and human hand connection graphic over a DNA dna strand. This bio technology PPT template can …

Explain the inner working of your body with the help of free Biology PowerPoint backgrounds . Backgrounds catering to themes, such as Heart Monitor, Heart Rhythm, and DNA Structure, are available. Download free Biology PowerPoint templates to mold your slides according to the theme of the subject matter.

Free Biology PowerPoint templates can be used for educational purposes and as a companion for research.

Free Microscope PowerPoint Template

Free Pharmacy PowerPoint Template

Free Brain PowerPoint Template

Free DNA PowerPoint Template

Free Spermatozoa PowerPoint Template

Free Green PPT Template

Free Microorganism PowerPoint Template

Free Virus PowerPoint Template

Free Science Laboratory PowerPoint Template

Unlock the beauty of life science with our meticulously crafted Free Biology PowerPoint templates, designed for the utmost flexibility and customization. These 100% editable templates are ideal for delivering insightful presentations on a spectrum of biology-centric themes. Whether you’re elucidating complexities of molecular biology, showcasing the latest breakthroughs in research and development, or articulating the forefront of innovative biological solutions, our templates are your go-to tool. Seamlessly integrate your content to weave compelling narratives in the world of biology, driving knowledge transfer and engagement with your audience.

Our free biology templates are compatible with PowerPoint and Google Slides.

We will send you our curated collections to your email weekly. No spam, promise!

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100+ Interesting Biology Presentation Topics with PPT

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Biology Topics for Presentation & Research

Interesting and Easy  Biology Presentation Topics

• Biology: Study of life
• The Fundamental Unit of Life
• Career Options with a Biology Degree
• Famous Biologists and Their Contribution
• Biological Discoveries that Revolutionized Life Science
• Biology in Fiction
• Biological Immortality
• The 6 Kingdoms of Life  ( PPT 2 )
• Taxonomic Rank
• Animal Cognition :  Most Intelligent Non-Human Animals
• Latest Developments and Discoveries in Biology
• The Origin and Evolution of Life on Earth  ( PPT 2 )
• The Origins of Life on Earth
• Human evolution
• The Origins of Agriculture
• Disease and Its Types
• Immune System (Complete PPT)
• Major Tropical Diseases  ( Article )
• Darwinism:  Theory of Biological Evolution  ( PPT 2 )
• Domestication of Animals and Plant
• Genetically Modified Organisms ( GMO )
• GMO Crops: Friends or Foe
• Molecular Biology
• Microbiology
• Microbial Genetics
• Biological Molecules
• Gene: Fine Structure of Gene 
• Fundamentals of Genetics
• Life Cycle of the Cell
• Classification of Chromosomes
• Gravitational Biology : Gravity and Life on Earth ( Articles )
• The Biology of Wood
• Amazing World of Marine Life 
• Bioenergetics and Biochemical Reaction
• Bioluminescence
• Stem and Plant Growth Basics
• Biopolymers and Environmental Impacts
• Impact of Climate Change on Marine Ecosystem
• Ecological Impact of Climate Change
• Bioremediation  ( PDF Link )
• Coral Reefs Preservation
• Development and  Ageing
• Overpopulation / Overabundance
• Overpopulation: The Causes, Effects And Potential Solutions
• De-extinction: Bringing Extinct Species Back to Life
• Micro-animals
• Aquaculture
• Human Eye: Evolution of the Eye
• Biodiversity and Its Importance
• Importance of Photosynthesis
• Artificial Ecological Systems
• Calvin Cycle
• Phase-Contrast Microscopy
• Central Nervous System
• Reproductive Cloning
• Genetic Mutation in Plants
• Vaccines: How are they Developed?
• Oxygenic photosynthesis: Photosynthesis in Bacteria
• Human Cloning: The origin and its basic principles
• The Origin and Anatomy of COVID-19 Virus
• Mutation of Viruses
• Protein Structure
• Human Microbiome: Gut microbiota 
• Pheromones: Are Human Pheromones Real?
• Hydroponics
• Essential Vitamins and Minerals Our Body Needs
• Polymorphism and Colonialism in Honey Bees
• Cellular Structure and Function
• Evolution and Natural Selection
• Major Theories of Evolution
• DNA sequencing and Genetic Code
• Structure, Functions, and Types of Ecosystem
• Food Chains and Food Webs: Concept and Applications
• Conservation Biology: The Latest Efforts for Prevention Extinction
• What makes Tardigrades, the world's toughest animal?
• Different methods of Food Preservation
• The Nitrogen cycle and Nitrogen Fixation
• Hormones and Human Behaviour
• Life Cycle of Your Favorite Plant
• Environmental Sustainability
• Influence of Noise Pollution on Living Organisms
• Fertilizers and Influence on Plants
• Urban Ecology
• Marine Biology: Function, Biodiversity, Ecology
• Natural Disease Resistance in Plants
• Tissue Engineering
• Circadian Rhythm or Circadian Cycle
• Muscle Contraction
• Skeleton System in Human and Animals
• Respiratory System in Animals and Plants
• Urinary system
• Nutrition in Human, Plant, Animals
• Minerals in the plant cell
• Plant Roots, Anatomical Structure, and Functions
• Phytohormones: Plant Hormones
• Glands: Anatomy and Function
• Human Immune System
• Heart and Circulatory System
• Predation, Herbivory, and Parasitism
• Plant Root System
• Decomposers and Scavengers: Importance
• Migration of Organisms
• Animal Navigation Ability
• Animal Reproduction
• Plant Reproduction
• Urinary System of Aquatic Animals
• Plant Diseases: Natural Disease Resistance in Plants
• Antibiotics
• Factors Affecting Enzymatic Activity
• Plant Morphology
• Endangered species
• Ecotourism and Its Benefits
• Modern Technology and Scientific Tools in Biology
• Water cycle / Hydrologic Cycle / Hydrological Cycle
• Homeothermy
• Poikilothermy
• Medicinal Plants Around Us
• The Biology of Seamounts
• Biotechnology Revolution in India
• Noise pollution and the environment
• Nucleotide Biosynthesis

These ideas will fit most standards without creating too much stress if you're seeking simple Biology Presentation Topics for high school assignments and Biology Speech Topics. These interesting and easy topics are listed for anyone who has to deal with Biology for any reason, including school and undergraduate students. It all relies on the scope and magnitude of your project, which is why you may require professional research paper assistance.

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Home Collections Education Biology

Free Biology Presentation Templates

Hey there, biologists use our free biology powerpoint templates and google slides to present the wonders of life it provides a vibrant canvas to showcase your biological knowledge. make your biological studies and courses more interesting by using its attentive visuals and realistic designs. try these perfect slides to learn and share your knowledge.

• Microscopes peering into the complicated world of cells.
• Complex DNA helix structures reveal the blueprint of life.
• Cross-sectional views of flowers showcasing the beauty and complexity of nature.
• Images of scientists, research students, and doctors working to unlock the secrets of life.
• Microbiology: Reveal the invisible world of microorganisms and their crucial role in our lives.
• Biotechnology: Discover the cutting-edge advancements in this field, from gene editing to biofuels.
• General Biology: Gain a comprehensive understanding of the fundamental principles that govern life on Earth.
• Cell Biology: Present the secrets of the cells, the basic unit of life.
• Marine Biology: Present the ocean depths and explore the fascinating creatures that inhabit them.
• DNA: Understand the blueprint of life and its role in heredity and evolution.
• Medical Microbiology: Help your audience learn about the microorganisms that cause disease and how we can combat them.
• Kingdoms in Biology: Explore the different classifications of organisms and their unique characteristics.
• Special Slides for International Day for Biological Diversity: Raise awareness about the importance of biodiversity and the need to protect our planet's natural resources.
• Infographics: Utilize captivating infographics to present complex information in a clear and concise manner.
• Themes: Choose from a variety of themes, such as cells, plants, animals, and ecosystems, to perfectly match your presentation topic.
• 100% Editable Slides: Adapt the content to perfectly match your research, lesson plan, or specific topic.
• Free Slides Available: Get started without breaking the bank.
• Multicolor Slides: Enhance clarity and understanding for all audiences.

We're here to help you!

What are biology powerpoint templates.

These templates are pre-designed presentation slides that include components relating to living creature research. Images and visuals depicting cells, organs, and other biological structures, as well as charts and graphs for displaying data and information about biology, are common features of these templates.

Where can we use these Biology Slides?

These slides can be utilized in a variety of venues, including classrooms, research labs, and hospitals. They are required for the study of cellular and molecular structures, the identification of pathogens, and the diagnosis of diseases.

How can I make Biology PPT Slides in a presentation?

You can create a biology template by combining themes, pictures, and photos of relevant locations. If you have limited time to prepare your presentation, you can still use the pre-made templates.

Who can use Biology PPT Templates?

These templates can be used by anyone who needs to make a presentation about biology. These slides also help environmental science students, teachers, researchers, scientists, and professionals.

Why do we need to use Biology PowerPoint Slides?

These slides are a powerful tool for visually communicating complicated biological concepts, processes, and data. They improve comprehension, retention, and engagement in both educational and professional settings, making them effective tools for presenting biological information.

Where can I find Biology PPT Templates for free?

Free templates are available mostly on many websites. Slide Egg has some of the best images and pictures among similar websites. Grab it right away!

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130+ Interesting Biology Topics for Presentation & Research [UPD 2024]

Looking for an interesting biology topic for your presentation, essay, or research paper? This article contains everything you might need! The first section lists the most relevant branches of biology. The other sections contain top 100 interesting biology topics as well as the most controversial issues in the discipline.

🔭 What Are Relevant Biology Presentation Topics?

🤖 what are interesting biology topics, 🤫 biology topics: current issues.

• 📝 Top 100 Biology Topics

🦠 Life Science Topics for Presentation

🧬 easy biology topics for presentation.

• ❓ 10 Controversial Topics On Biology

🔚 Conclusion

🔗 references.

There are a number of biology topics that are relevant to your presentation and research. You can choose a valuable topic from one of the branches of biology. It includes the following:

• Molecular Biology
• Environmental Biology
• Genetic Research
• Neuroscience
• Behavior and Hormones
• Famous Biologists
• Experiments
• Sustainability and Biodiversity
• Controversial Topics.

Also, you can choose an interesting biology topic for your research from related topics . You will find 10 interesting biology-related topics in the next section!

What else can you pick for your presentation or research paper? You can focus on the history of biology, current issues, famous biologists, equipment, or biological experiments.

Of course, every biology expert says that their major topic is the most interesting and exciting. However, there are current biology issues that are the most interesting and studied in the world. Here you will find the top 10 interesting biology topics for research .

• Issues and Opportunities for CRISPR and Genetic Engineering
• Epidemiology Studies and Its Opportunities to Combat New Viruses (as Covid-19)
• Infectious -disease-causing agents (Prions) studies
• Climate Change Problems and Potential Solutions
• Cancer Research
• Behavioral Science Studies
• Endangered Species
• Astrobiological Questions
• Synthetic Biology and Its Opportunities
• Epigenetics Studies.

You can also look for an area of biology that you are most interested in and consider the new developments in it – that would make a perfect choice for a biology-related subject . However, it is not your only option. For example, another great topic to consider is biological issues. Ask yourself: what problems are present in the field of biology? Well, here is a small (and not at all exhaustive) list of suggestions.

• Ethics and biology . Consider the protection of human subjects and the alternatives to animal experimentation. Are the other options necessary?
• The attitude to GMOs as a problem. Can public opinion hold science back? Adverse reactions to GMOs should focus on this topic, but you can also consider the effects of the positive ones.Adverse reactions to GMOs should focus on this topic, but you can also consider the effects of the positive ones.

If the topics mentioned above do not attract you, think about other options. For example, choose a branch of biology or a specific aspect of biologists’ activities to discuss! Here are a few suggestions.

• Under the sea! What does a marine biologist do?
• How do you acquire a biological patent? Offer a legal workshop to your peers!

📎 Top 100 Biology Topics for Presentation & Research

We’ve created a list of different biology topics you could choose from for your presentation or research paper. For your convenience, we’ve divided the topics by biological fields. Find your inspiration and get started!

Molecular Biology Research Topics

Molecular Biology is one of the most interesting and prominent fields of biology. Let’s have a look at several relevant topics!

• Origin of Life: The RNA World Scenario Vs. The Latter Scenario . For this topic, you can cover two major theories on how first living cells have occurred. The best idea is to discuss both views and compare them.
• What Are Methods in Molecular Biology Research? Here, you can discuss the basic methods that scientists use in molecular biology studies.
• Molecular Biology of The Cell: An Introduction. This topic implies that you cover the basics of the molecular biology of the cell. As it is a broad theme, the best idea is to focus on the basics.
• Molecular Biology of The Gene: An Overview. We offer you the same strategy as in the previous topic. Just try to cover the basics of the molecular biology of the gene. It can be done by providing key definitions and explaining key theories.
• Molecular Biology of Microorganisms: A brief overview. This topic suits perfectly for a presentation. You can provide a brief overview of the molecular biology of microorganisms. It is a brilliant idea to discuss key terminology, theories, and current issues.

Environmental Biology Research Topics

Environmental topics are among the most popular in biology today. Below you will find 10 topics that you can use for your presentation or research paper.

• How Noise Pollution Influences Living Organisms?
• Environmental Justice: Why It Is Essential?
• Urban Ecology: What Issues It Aims At Solving?
• What Are The Latest Research on Climate Change ?
• Fire Ecology: How Human Beings Can Adapt to Fires?
• Renewable Energy : What Are Potential Risks for Nature?
• Bioremediation: How Microbes Can Eliminate Pollution?
• Limnology Studies: What Are The Main Areas of Research?
• Conservation Biology: What Are The Latest Efforts for Prevention Extinction?
• Satellites and Drones for Studying Natural World Remotely.

Genetics Research Topics

Genetics is an incredibly interesting subject that affects almost any aspect of modern life! We highly recommend you to choose one of the 10 topics that you can find below.

• What Are The Latest Breakthroughs in Genetics Studies?
• Gene Mutation: How It Can Help Fighting Illnesses?
• Genetics Legislation: What Procedures Are Illegal?
• Genetic Tests: How They Can Be Helpful for Fighting Diseases?
• How Genetics Takes Part in Cancer Research?
• What Opportunities Does Genetics Science Open Up for Humanity?
• What Genetic Factors Might Influence Human Behavior ?
• Does Genetics Open Up Opportunities to Choose Sex and Other Characteristics Before Birth?
• Is There a Connection Between Genetics Studies and Environmental Questions?
• Can Extinct Species DNAs Be Recovered?

Neuroscience Research Topics

Here you will find 10 interesting neuroscience research topic for your presentation or research paper:

• How Can Human Emotions Influence Intellectual Abilities?
• How Do Emotions Affect the Perception of Art and Music?
• What Factors Affect the Levels of Dopamine in Human Bodies?
• How Does Alcohol and Marijuana Use Might Influence Teenagers’ Brain Development?
• What Has Neuroscience Achieved Towards Controlling Negativity and Emotional Pain?
• What Are the Controversial Topics in Neuroscience? How It Affects the Discipline?
• Gut Bacteria and Its Influence on Behavior and Mental Health.
• How Humans’ Brains Process Speech?
• How Does Excessive Use of the Internet Affect The Memory?
• What Are The Latest Breakthroughs in Neuroscience?

Behavior and Hormones Research Topics:

Biology Research also focuses on Behavior and Hormones Studies. Here we offer you another 10 interesting topics related to this field.

• How Does Our Hormone System Affect Behavior and Mind?
• What Biological Processes Occur in The Brain while Bipolar Disorder ?
• Depression : What Changes Occur in Hormone System?
• Hormone System and Gender-related Issues
• What Changes Occur in Hormone System While Pregnancy?
• Latest Research on Oxytocin Science: What Is New?
• What Hormones Are Activated While Fear Reaction?
• How Physical Exercises Influence Hormones?
• The Use of Melatonin for Therapeutic Purposes.
• What Hormones Are Responsible for Risky Behavior?
• Cloning and stem cells: Current issues. Is human cloning legal? Why?
• Hybrids as a means to increase efficiency: Mention the animals that are worth making hybrids of.
• The threats and benefits of transgenic crops: Explain that GMO is not that hazardous.
• Fighting inherent diseases: Mention current accomplishments.
• The world under a magnifying glass. Molecular genetics: Define the basic notions.
• The causes of genetic mutations: Provide examples of mutations.
• Research field Biomedicine: Dr. Malcolm E. Miller says…
• Donors and organ transplants: I give you my heart. Pick the problem of finding a proper donor.
• Cosmetic surgery: Is it me, I see? Dwell on the reasons for undergoing cosmetic surgery .
• Behind a brain at work. Neurosurgery problems: Recall leading neurosurgeons and their accomplishments.
• Vascular surgery: It’s in your blood. Mention current achievements.
• Future of prosthetic appliances. Mind-controlled limbs: Include issues from surgery and science engineering.
• Fighting cancer and benign tumors: Never give up. Describe current treatment methods.
• Research field: Ecology and Hippocrates says…
• Saving the Earth: Environment in danger. Convey the idea of balance between the natural and the human-made.
• The means of wildlife preservation: Offer your suggestions to protect wildlife.
• Rare species protection: Enumerate the most endangered species.
• The problem of extinction. The species that are no more: List extinct animals and plants.
• Extreme survival and endangered animals: Offer your suggestions to help animals adapt.
• Invasive species: Only the strong survive. Your idea on the iron jungle issue.
• Sea life: Things people have to know. Offer the least known facts.
• Animal hunting: Following fashion. Mention the animals that suffer the most.
• Environmental pollution: Back to carts? Consider alternative sources of energy.
• Research field: Evolution. Darwin says…
• The law of natural selection: Provide examples of animal evolution.
• Dead branches of evolution: When there’s nowhere to go. Imagine what would have happened if evolution hadn’t stopped.
• Trends in evolution: What is the next step? Find evolution algorithms.
• The reasons for biodiversity loss: Offer your means to sustain current biodiversity.
• Animal and plant habitats: Contamination threat. How to prevent pollution?
• Research field: Biodiversity. Greenpeace says…
• Climate change’s effects on biodiversity: Offer suggestions on how to save various species.
• Coral reefs preservation: Facing challenges. Provide ways to save coral reefs.
• Global warming as a threat for biodiversity. Consider methods of sustainability.
• Econet as a biodiversity conservation tool: Define the Econet system.

Biology Topics: Famous Biologists

You can use the information about biological issues to create a topical, engaging text. However, you have other options, as well. For instance, have you considered writing about famous biologists? Here, we will name just a couple of them.

• Antonie van Leeuwenhoek: when and how did microbiology start? You can add some information on how microbiology has been developing since then.
• Carl Linnaeus. Why do we have binomial nomenclature? Why is it important?
• Edward Jenner: the history of vaccination. Focus on the beginnings of immunization and mention its impact. A brief consideration of the changes in attitudes to it can also be exciting and engaging.
• Rachel Carson . Check out her book, “Silent Spring.” Discuss environmental safety. Why is her contribution significant?
• Stephen Jay Gould. A paleontologist and historian of science: history and biology combined. Consider also his contribution to popular science and pop-science literature.

Biology Topics: Equipment

Come to think of it: every biologist needs tools! Why don’t you choose a piece of biological equipment (e.g., microscope) and discuss the history of its creation and its impact on the development of biology (or a specific branch of biology)? Here are some ideas for insightful equipment-related topics.

• Microscopes: using light and electrons to see this world in detail. Consider telling the brief history of the equipment and explaining its impact. Also, check out the two different types of microscopes.
• Test tubes: spin that sample right round! Who would need a test tube? Why? What for?
• Petri dishes. Culture your sample! Why is it called that way? What is it for? Consider discussing the history and impact of the invention.
• Dyeing your samples: when, why, and how? Tell the history of the development of the technique and the opportunities that it offers.
• How to tell a beaker from a flask? Check out the history of the two types of containers. What is its purpose? Why do they need to be different?

Biology Topics: Experiments

As you can see, your favorite biology field can make a significant research topic. But do you know what can make a biology paper most interesting? Cool bio experiments are out there! Tell your peers how to carry out a bio experiment or, better yet, show them! You can find some of the possible experiment topics below.

• What kind of biological organisms can be found in the samples of water from different sources? Offer examples of sources. If you want a practical demonstration, it is an excellent opportunity to use the microscope so that you can throw in some information about it too.
• How to extract your DNA at home? Discuss the necessary supplies and surprise your audience!
• What happens to an egg dipped in vinegar for too long? Discuss osmosis and its effects.
• If you cannot smell your food, will it taste the same? You can quickly organize a practical demonstration: just provide your audience with small snacks and ask them to cover their noses. Explain the mechanisms of smell and taste.
• How do you make your very own bacteria colony? This topic can be connected to that of the Petri dish.

Biology Topics: Sustainability and Biodiversity

Using a bio experiment as your topic can be great! However, apart from choosing the issues that are most interesting to you, you can find a problem, studying which is a responsible thing to do. For instance, sustainability is not just a buzz word. Discuss sustainability as a part of your bio project or paper and disseminate crucial information about preserving our planet’s resources!

• The concept of sustainability. Consider its history and impact on modern society.
• What biological resources do we need to preserve this day? Make sure to offer both classification and examples!
• Types of pollution. There are more than one, but why bother with the designation? Examples would be great here, too: check out the most devastating events in the history of ecology.
• An exciting element of sustainability is the preservation of biodiversity. Think about extinct species: what have we lost? What can we lose yet? And how do we stop the world from losing its precious biodiversity?
• Why is extinction a problem? Review the consequences of dying out.
• Causes of extinction. Is the human always to blame? Consider non-human matters. Can they be traced back to humanity?

Life science studies all forms of life, including plants, animals, viruses and bacteria, single-celled organisms, and even cells. Its key goal is to examine everything about life on this planet at different stages of evolution.

We have prepared science topics for a presentation to help you and your audience learn more about every living thing on Earth!

Cell Biology Topics for Presentation

Cell biology is the study that seeks to examine the structure and function of cells, their communication, and inner mechanisms.

Here are cell biology topics for a presentation that can come in handy:

• Cell biology: the study of cellular metabolism.
• What are the peculiarities of cell communication?
• The efficiency of cell-based therapy in cancer.
• The role of enzymes in DNA replication.
• Cell death: the key mechanisms.
• Genetic mutation and its influence on human health.
• What is the role of membrane trafficking in plant-microbe interactions?
• The impact of environmental stresses on cells.
• Signal transduction of cells: the main steps and types.
• The ethical issues behind cell therapy.

Human Biology Topics for Presentation

Human biology studies the structure, function, and behavior of the human body. It aims to understand how the human body works and use that knowledge to improve people’s health and well-being.

Below, you can find interesting human biology topics for presentation:

• How does the central nervous system function?
• Artery vs. vein: the key distinctions.
• The peculiarities of the human respiratory system.
• Regular training and its impact on the human heart.
• The differences in the skeletal structure of males and females.
• Lung cancer: causes, symptoms, and consequences.
• The importance and role of genes.
• How do digestive organs interact with one another?
• Practical methods for protecting the immune system.
• Thyroid gland: function, location, and common conditions.

Zoology Topics for Presentation

Zoology is a branch of biology that investigates all animals, both living and extinct. Zoology significantly aids in understanding the natural world and minimizing harm to animal populations and their habitats.

Zoology topics for presentation look the following way:

• The impact of global warming on baby lizards.
• Mesozoic Era: the overview of animal species.
• What are the molecular and genetic bases of animal evolution?
• The cases of the gray wolf return.
• Brain size and its impact on species intelligence.
• The benefits and drawbacks of trout fish hatcheries.
• The ethical considerations in animal research and testing.
• How do animals reproduce and pass on their genes?
• The effect of habitat destruction on the population of local animals.
• The peculiarities of primate language.

Have you not found the perfect topic for your presentation yet? Do not panic! We have some additional easy biology topics that you can use!

• The fundamental biological principles and concepts.
• What is the role of photosynthesis in the carbon cycle?
• The origins of viruses in the evolutionary history of life.
• The problem of obesity in house pets.
• Allergic reactions: symptoms and triggers.
• What are the pros and cons of vaccination?
• The complexity of the immune system.
• The role of camouflage in sea animals.
• Human memory: the basics of work.
• How does alcohol affect the human brain and liver?
• The issue of tropical forests extinction.
• Characteristics of animal behavior in reproduction.
• The impact of pollution on marine life.
• What is the role of biodiversity in ecosystem stability?
• The key functions of the human brain.

❓ 10 Controversial Topics In Biology

There are plenty of controversial and debatable topics on biology. These themes raise questions in terms of their ethical part and sociological perspective . You can prepare an oral presentation or a research paper on one of them. In this section, we’ve prepared for you 10 controversial topics on biology. Get inspired!

• Abortion: When The Basic Legal Right To Live Begin?
• Abortion: Whose Rights Should Be Respected At First?
• Abortion: Are There Any Alternatives (As For Example Adoption)?
• Abortion: Should Be Men Involved in The Decision-Making?
• Human Cloning: What Are The Purposes?
• Human Cloning: Arguments For and Against.
• Human Cloning: An Overview of The Current Situation.
• Animal Experiments: Arguments For and Against.
• Genetically Engineered Food: A Threat or A Solution?
• Embryonic Stem Cells: Arguments For and Against.

And where do you think you are going? Want to create biology topics for project writing? Or develop biology topics for essay papers? Hold on, you still have an important message to read!

State the subject of your research in the paper’s topic!

E.g., Current genetics: Searching for mutations’ causes (the causes of mutations are the obvious subject).

With that in mind, you will surely create perfect topics for biology papers.

We hope that you find our recommendations on interesting biology topics useful and get down to work! Remember, you have plenty of opportunities, from discussing controversial topics to focusing on one of the biological fields we’ve offered. Good luck!

• Ecology, Behavior & Evolution: Research Topics – UC San Diego
• Topic List: Developmental Biology – Stanford Medicine
• Marine Biology: Core Research Areas – University of Washington
• The Biology Undergraduate Major – Stanford University
• What is evolution? | Biological Principles
• Biological Sciences Research Guide – Humboldt State University
• Biochemistry & Molecular Biology – Colorado State University
• Biology Research Projects – University of Nevada
• Biology – Research Basics – University of Texas

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Chapter 1: Biology Exploring Life

Sep 02, 2014

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Chapter 1: Biology Exploring Life. Biology Defined. Biology – study of living organisms Consider the diversity of characteristics among the many living organisms you know. Yet all share underlying properties Our focus for the semester. Levels of Organization (1.2).

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Presentation Transcript

Biology Defined • Biology – study of living organisms • Consider the diversity of characteristics among the many living organisms you know. • Yet all share underlying properties • Our focus for the semester

Levels of Organization (1.2) • In studying nature patterns arise • Biologists organize nature from the simplest level to the most inclusive level • page 3

Biosphere Ecosystem Community Population Organism Organ System* Organ* Tissue* Cell Organelle** Molecule Atom *apply to multi-celled organisms only ** eukaryotes only

Levels of Organization Atom • Smallest particle of an element that has the properties of the element

Levels of Organization • Molecule • Group of atoms joined by chemical bonds

Levels of Organization • Organelle • Membrane bound structure within a eukaryotic cell that performs a specific function Mitochondria – metabolizes glucose to make energy for eukaryotic cells

Levels of Organization Cell – smallest unit that can live and reproduce on its own Eukaryotic cell • Has a nucleus • Larger, more complex Prokaryotic cells - No nucleus, smaller

Levels of Organization • Tissue • Organized group of cells and substances that interact to serve a function • Multi-celled organism only Muscle Tissue

Levels of Organization • Organ • 2 or more tissues working together to serve a function • Multi-celled organism only Heart – pumps blood to lungs and body

Levels of Organization • Organ System • Group of organs working together to perform a function • Multi-celled organism only Cardiovascular System

Levels of Organization • Organism • An individual living thing Multi-celled Organism Blue shark Single-celled Organisms bacteria

Levels of Organization • Population • All organisms of the same species inhabiting a given area Population of cormorants Population of sunflowers

Levels of Organization • Community • All populations of living organisms inhabiting a given area • Ecosystem • All the living organisms in a given area and their physical environment

Identify the: Ecosytem Community Population(s) Red Fish

Levels of Organization • Biosphere • All regions of the Earth that support life • most inclusive and complex level

Organisms and the Ecosystem (1.4) • Organisms interact with the other organisms and the nonliving in the environment • Each organism plays a role in the ecosystem • Producer • Consumer • Decomposer

Producers • Producersprovide food for an ecosystem • Plants use the sun’s energy, CO2 and H2O to make sugars and oxygen in a process called photosynthesis • Also interact with the soil - absorbing nutrients and breaking up particles

Producers • Producers are also known as autotrophs • Producers are all capable of photosyntheis and include: • Plants • photosynthetic bacteria and protists

Consumers • Consumers obtain their food by eating plants or other animals • All take in O2 and release CO2 • Their wastes return substances into the environment • Consumers are also known as heterotrophs • Animals and others are consumers

Decomposers • Decomposersbreak down wastes and remains of other organisms to simpler substances that plants can use • Decomposers recycle nutrients. • Decomposers are heterotrophs • Examples: Fungus, small animals, and some bacteria are decomposers.

Sun Air Inflow of light energy Loss of heat energy O2 CO2 O2 CO2 Chemical energy Cycling of chemical nutrients Consumers Producers Decomposers H2O Soil Ecosystem

Flow of Energy and Nutrients • In every ecosystem there is a: • Recycling of nutrients • Plants  consumers  decomposers  plants …. • One way flow of energy • From sun  producers  consumers  decomposers heat heatheat • As energy is transferred between living organisms some of the energy is always “lost” to the environment in the form of heat • See page 5

Cells (1.3) • The cell is the smallest structure that exhibits all of the properties associated with life Two types of cells • Prokaryotic cells • Eukaryotic cells

Cells as Systems • System – combination of simpler components that form a more complex organization • Cells are a system with emergent properties • properties that emerge as a result of the arrangement and organization of the components

Properties Common to all Living Organisms (1.1 , 1.3) • All living organisms share a number of characteristics. • We will consider 7 of these. • First property slightly modified from text. • Order the properties are presented in lecture differs from that in the text.

All living organisms: 1). are made up of one or more cells. • All cells are made of the same substances arranged in the same basic ways. • Cells structure is an example of the high level of order observed in living organisms

All living organisms: 2) Grow and develop as directed by their DNA • Molecular code in DNA gives directions for building proteins • The proteins an organism makes determines the characteristics of the organism

All living organisms: Grow and develop as directed by their DNA,continued….. • Flow of information in the cell is from • DNA  RNA  Protein • An organism’s DNA determines which RNAs are made and thus which proteins are made at any given time

All living organisms 3). Reproduce their own kind • Living organisms pass their DNA on to their offspring

Only living organisms: 4). Take in energy and transform it to perform life’s activities • Require an input of energy to grow, maintain themselves, and reproduce. • called metabolism.

All living organisms: 5) Regulate their internal environment in an effort to maintain homeostasis. • Homeostasis – ability to maintain the internal environment within ranges tolerable for life • Insulin and blood sugar example

All living organisms 6).Respond to their environment • Living organisms sense and make controlled responses to changes in the environment. • Temperature and sweating example

All living organisms 7). Have the capacity to evolve over time • Organisms with characteristics that improve their odds of survival or reproduction pass their DNA on more often  results in evolution

All living organisms: • Made up of one or more cells (order) • Grow and develop based on instructions in DNA • Reproduce their own kind • Engage in metabolism – energy processing • Regulate their internal environment • Respond to the environment • Have the capacity to evolve.

Classifying the Diversity (1.6) • Each living organism can classified by a two part name: Genus species • Taxonomy – field in biology that identifies and classifies organisms Examples: • Homo sapiens (humans) • Lamna nasus (porbeagle shark)

Classification Scheme Domain – most inclusive (3) Kingdom – related phlya (6 ?) Phylum – related classes Class – related orders Order – related families Family – related genera Genusspecies - defines the organism (also called species)

Classification of a Mako Shark Domain - Eukarya Kingdom – Animalia Phylum – Chordates (spinal cord) Class – Chondrichthyes(cartilaginous fish) Order – Lamniformes (5 gill slits….) Family – Lamnidae Genus – Isurus Species – oxyrinchusFYI slide – not for test

H. sapiens & Isurus oxyrinchus !

Classifying the Diversity Classify organisms into one of 3 Domains: • Bacteria • Archae(bacteria) • Eukarya • Protists • Fungus • Plants • Animals

Protista Plants Fungi Animals Eukaryotes Archaebacteria Eubacteria Prokaryotes Origin of life Domains? Kingdoms? Cell Types?

Domain (Kingdom) Bacteria Cell type: prokaryote • Lack a nucleus and organelles Cell Size: small • ~1-10 microns Single celled organisms Ubiquitous

Domain (Kingdom) Archae Cell type: prokaryote Cell Size: small Single celled Many are extremophiles - live in extreme environments

Domain - Eukarya • All organisms with eukaryotic cells are placed in the domain Eukarya • Eukaryotic cells have: 1. 2. • Within this domain are 4 major Kingdoms.

Kingdom - Protista Cell type: Eukaryote • More complex cell with a nucleus and organelles • Cells are larger than bacterial cells Primarily single celled, some multi-celled Autotroph or heterotroph Examples: Euglena, paramecium, ameoba

Kingdom - Fungi Cell type: Eukaryote Single or multicelled Heterotrophs decomposers with external stomachs Examples: yeast, mushrooms, molds

Kingdom - Plantae Cell type: Eukaryotic cells with cell walls Multicelled organisms Producers • Photosynthetic Examples:

Kingdom - Animalia Cell type: eukaryote • (no cell walls) Multicelled organisms Consumer/heterotroph Most are mobile at some time in life

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UH Hilo Stories

‘A‘ohe pau ka ‘ike i ka hālau ho‘okahi │ One learns from many sources │ A publication from the Office of the Chancellor, University of Hawai‘i at Hilo

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Students present their research at UH Hilo’s 14th Annual Tropical Conservation Biology and Environmental Science Symposium

This year’s symposium theme was “Hoʻomau: Sustaining Communities and Ecosystems in our Changing Climate.” Five students won awards for their outstanding presentations.

By Susan Enright .

University of Hawaiʻi at Hilo hosted the 14th Annual Tropical Conservation Biology and Environmental Science Symposium , April 11-12, 2024, at the Campus Center.

The event is organized each year by the Kaiameaola Club , which is made up of graduate students in the program .

This years theme was “Hoʻomau: Sustaining Communities and Ecosystems in our Changing Climate,” focusing on the changes occurring to ecosystems, endemic species, and Indigenous communities as anthropogenic climate change continues to exacerbate social and environmental concerns.

In light of the wild fire tragedy that recently occurred on Maui, student organizers emphasized the importance of building up community and ecological resilience.

Keynote speakers were Pelika Andrade , founder and executive director of Na Maka Onaona, a Hawaiʻi-based nonprofit, and an extension agent for the UH Sea Grant College Program, and Drew Kapp , assistant professor in geography at Hawaiʻi Community College who is active in supporting Native Hawaiian students in the sciences and is a member of the Unukupukupu hula hālau (dance group).

Award winners from this year’s symposium:

Graduate Student, 10-Minute Presentation

Emma Stierhoff , “Assessing the long-term impacts of chronic infection with avian malaria in Hawaiʻi ʻamakihi.”

“The introduction of avian malaria ( Plasmodium relictum ) to Hawaiʻi has decimated native forest bird populations, driving many species to extinction, and threatening those that remain. However, the Hawaiʻi ʻamakihi, a native honeycreeper, has shown resilience against acute infection with avian malaria. Hawaiʻi ʻmakihi who survive the acute stage remain chronically infected with low parasitemia levels. Although immediate costs of acute malarial infection have been closely studied, the costs of chronic infection are poorly understood in this species. We assessed the impact of chronic infection on physiological condition of Hawaiʻi ʻamakihi near ʻᾹinahou Ranch in Hawaiʻi Volcanoes National Park. During biweekly banding sessions from May 2022 to August 2023, Hawaiʻi ʻamakihi were banded, measured, and weighed, and a blood sample was collected for each bird. Blood samples were used to measure hematocrit, triglycerides, and reactive oxygen metabolites (ROMs) and to determine disease status using qPCR. There were no detectable differences in size, hematocrit, triglycerides, or ROMs based on disease status. These results further demonstrate the resilience Hawaiʻi ʻamakihi have against avian malaria and set the foundation for future research studying the factors facilitating this resilience and how that might be applied to protect more threatened honeycreeper populations.”

Graduate Student, 5-Minute Presentation

Lauren Smith , “Using bioacoustics to assess the success of incompatible insect technique.”

In Hawaiʻi, more than two-thirds of native forest bird species have gone extinct since the arrival of humans, largely driven by introduced avian diseases vectored by non-native southern house mosquitoes ( Culex quinquefasciatus ). On the island of Maui, the critically endangered kiwikiu ( Pseudonestor xanthrophrys ) and ʻākohekohe ( Palmeria dolei ) are likely facing extinction in as few as five years. To prevent extinctions and persistent declines in numerous species, conservation partners are employing the Incompatible Insect Technique (IIT) on a landscape scale to suppress mosquito populations and, in turn, decrease disease transmission. To monitor the response of the bird populations to IIT, we are deploying 80 autonomous recording units (ARUs) along transects inside and outside IIT treatment areas in The Nature Conservancy’s Waikamoi Preserve and Haleakalā National Park’s Kīpahulu Valley. We are processing these acoustic data using the machine learning classifier Perch, a new analytical method co-developed by the UH Hilo Listening Observatory for Hawaiian Ecosystems (LOHE) lab and Google Research. Perch identifies bird calls and calculates call densities, from which we estimated relative abundance and occupancy for six native species. We are also using begging call densities to estimate breeding success of each species. By comparing these data across breeding seasons, we expect to detect any changes in relative abundance, occupancy, productivity, and elevational shifts in range that may result from the suppression of mosquitoes and disease.

Undergraduate Student, 10-Minute Presentation

Manuela Cortes , “Exploring the impact of micro-fragmentation size on coral growth rates.”

Coral microfragmentation is commonly used to propagate corals in nurseries. The process involves breaking small pieces off of a parent colony and encouraging them to grow into independent colonies. This method has been shown to increase the rate of coral growth, potentially due to the difference in fragment size which affects the surface area available for the generation of new daughter polyps. I will be analyzing the relationship between coral fragment size and growth rate at the MOP Coral Nursery at the Pacific Aquaculture and Coastal Resource Center. My goal is to determine if there is an optimal size of coral fragment associated with higher growth and survivorship rates.

Undergraduate Student, 5-Minute Presentation

Krista Golgotiu , “Uniting Indigenous knowledge and scientific inquiry: A cultural approach to understanding the Hawaiian environment through the use of ʻŌlelo Noʻeau.”

This research proposal aims to bridge indigenous knowledge from the Hawaiian people focusing on ʻŌlelo Noʻeau (traditional Hawaiian proverbs and sayings), with scientific methods to prove the observations of ancient Hawaiians and enhance conservation efforts in modern-day Hawaiʻi. Using a collaborative approach involving members of the community, cultural practitioners, and scientists alike, this project aims to identify and validate specific ʻŌlelo Noʻeau that reference the ocean, animals, plants, and weather patterns. By first identifying these specific ʻŌlelo Noʻeau, through the use of Hawaiian community engagement the accuracy of the interpretation and understanding of these traditional sayings will be ensured. After choosing the specific ʻŌlelo Noʻeau, selecting key areas around Hawaiʻi to conduct field studies is essential. Field studies will be conducted in the areas associated with the specific sayings, through observation and data collection. The use of any past recorded data in regards to weather, ocean, or plant and animal growth patterns will also be utilized. With the inclusion of the Hawaiian community through participation in field studies, traditional knowledge and new information regarding these patterns will be combined with any observations and data collected in the field. Then by utilizing statistical methods and ecological modeling an assessment on the alignment between what is observed and the knowledge embedded in the ʻŌlelo Noʻeau can be made. This process will aim to confirm the ecological accuracy of traditional wisdom passed down. Proving ʻŌlelo Noʻeau can provide insights on sustainable resource management for local communities, and inform modern practices on how to use limited natural resources more sustainably by tracking natural indicators. Scientifically affirming ʻŌlelo Noʻeau through this project, from the research and data collected, will validate the scientific relevance of traditional knowledge and the important need to include indigenous communities in science.

Poster Presentation

Amy Durham , “He ‘Io Au: A community project about ʻIo (the Hawks on your block).

Do you have a hawk on your block? ʻIo is our Hawaiʻi island’s endemic hawk. Their story is linked to many aspects of our cultural and natural legacies. Since they are present in many of our daily lives, they are an ideal conduit for connecting to our native species – which is especially important in altered landscapes devoid of such interactions. Community-led conservation projects are invaluable resources for learning about and managing data-deficient species. Despite ʻio’s importance, minimal research has been conducted on their utilization of our urban and agricultural neighborhoods. We want to change that by collaborating with you! Our group of ʻio enthusiasts aims to spotlight ʻio by introducing the upcoming “He ʻIo Au” community platform. Our objective is to keep all eyes on ʻio by (1) Utilizing the volunteer He ʻIo Au platform to gather data on ʻio’s behavior in our neighborhoods, including details on population size, diet preferences, and breeding behavior (2) Highlighting the significance of ‘io by sharing our ʻio stories through interviews and an online blog and (3) Engaging in community outreach to educate about ‘io, raise awareness regarding intentional harm, and actively seek to share knowledge and collaborate on solutions.

Story by Susan Enright, a public information specialist for the Office of the Chancellor and editor of UH Hilo Stories. She received her bachelor of arts in English and certificate in women’s studies from UH Hilo.

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CRISPR is promising to tackle antimicrobial resistance, but bacteria can fight back

by European Society of Clinical Microbiology and Infectious Diseases

In his presentation "How to use CRISPR-Cas to combat AMR" at the ESCMID Global Congress , Assistant Prof. Ibrahim Bitar, Department of Microbiology, Faculty of Medicine and University Hospital in Plzen, Charles University in Prague, Plzen, Czech Republic, will give an overview of the molecular biology of CRISPR technology in explaining how it can used to tackle antimicrobial resistance.

Clustered regularly interspaced short palindromic repeats (CRISPRs) and CRISPR associated genes (cas) are widespread in the genome of many bacteria and are a defense mechanism against foreign invaders such as plasmids and viruses. The CRISPR arrays are composed of a repeated array of short sequences, each originating from and exactly matching a nucleic acid sequence that once invaded the host.

Accompanying CRISPR sequences, there are 4-10 CRISPR-associated genes (cas), which are highly conserved and encode the Cas proteins. Cas proteins conduct adaptive immunity in prokaryotes (bacteria) based on immunological memories stored in the CRISPR array.

The CRISPR/Cas system integrates a small piece of foreign DNA from invaders such as plasmids and viruses into their direct repeat sequences and will recognize and degrade the same external DNA elements during future invasions.

As the CRISPR/Cas systems integrate DNA from invading pathogens in chronical order, genotyping can be used to trace the clonality and the origin of the isolates and define them as a population of strains that were subjected to the same environmental conditions including geographic location (region) and community/hospital settings and eventually further extended to track pathogenic bacteria around human society.

CRISPR/Cas systems can also be employed for developing antimicrobial agents: introduction of self-targeting crRNAs will effectively and selectively kill target bacterial populations. Due to the shortage of available effective antimicrobial agents in treating multidrug-resistant (MDR) infections, researchers started to search for alternative methods to fight MDR infections rather than going through the process of developing new antimicrobial agents which can go on for decades.

As a result, the concept of CRISPR/Cas-based selective antimicrobials was first developed and demonstrated in 2014. Vectors coding Cas9 and guide RNAs targeting genomic loci of a specific bacterial strain/species can be delivered to the target strain via bacteriophages or conjugative bacterial strains.

In theory, delivery of the engineered CRISPR/Cas systems specifically eliminates target strains from the bacterial population, yet it is not that simple.

While these systems can seem a target for manipulation/intervention, all bacteria are regulated by multiple pathways to ensure the bacteria retains control over the process. Therefore, there remain several major challenges in using this system as an antimicrobial agent.

Most methods require delivery of the re-sensitized system by conjugation; the vector is carried by a non-virulent lab strain bacteria that is supposed to go and share the vector/plasmid through conjugation. The conjugation process is a natural process that the bacteria do which results in sharing plasmids among each other (even with other species).

The percentage of conjugated (successfully delivered) bacteria in the total bacterial population is critical to the re-sensitized efficiency. This process is governed by several complicated pathways.

Bacteria also possess built-in anti-CRISPR systems, that can repair any damage caused by CRISPR-Cas systems.

Defense systems that the bacteria uses to protect itself from foreign DNA often co-localize within defense islands (genomic segments that contain genes with similar function in protecting the host from invaders) in bacterial genomes; for example: acr (a gene that acts, with other similar variants, as a repressor of plasmid conjugative systems) often cluster with antagonists of other host defense functions (e.g., anti-restriction modification systems) and experts hypothesize that MGEs (mobile genetic elements) organize their counter defense strategies in "anti-defense" islands.

Assistant Professor Bitar concludes, "In summary, this method seems very promising as an alternative way of fighting antimicrobial resistance. The method uses the concept of re-sensitizing the bacteria in order to make use of already available antibiotics—in other words, removing their resistance and making them vulnerable again to first-line antibiotics.

"Nevertheless, the bacterial pathways are always complicated and such systems are always heavily regulated by multiple pathways. These regulated pathways must be studied in depth in order to avoid selective pressure favoring anti-CRISPR systems activation, hence prevalence of resistance in a more aggressive manner."

Provided by European Society of Clinical Microbiology and Infectious Diseases

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