General Biology

Animated Tutorials: General Biology
Three dozen short animated tutorial on a variety of topic from cell biology to human biology, from plants to the scientific method.
ARKive: Images of Life on Earth
ARKive is the Noah’s Ark for the Internet era – a unique global initiative, gathering together into one centralised digital library, films, photographs and audio recordings of the world’s species.
As Many Exceptions as Rules
Blog discussing organisms which break what we usually consider rules of behavior and biology. (Last updated Jan. 2018)
BioEd Online
BioEd Online utilizes state-of-the-art technology to give you instant access to reliable, cutting-edge information and educational tools for biology and related subjects.
From Vanderbilt University, a site designed to provide educational information to the public on biologically related topics, as well as a source of biological images for personal and non-commercial use.
Videos, animations, and interactive activities in various aspects of the biological sciences. Also includes lectures, podcasts, virtual labs, and teacher guides.
If you are looking for basic biology information, stay on this site. It’s not just biology for kids, it’s for everyone. We have information on cell structure, cell function, scientific studies, plants, vertebrates, invertebrates, and other life science topics.
Biology of B-Movie Monsters
Uses B-Movie monsters as examples to explain how physical and biological systems really work.
Biology Questions and Answers
This site was specially written and organized to make Biology learning easier. More than 1800 questions and answers are available here to help you study Biology in the easiest way possible.
BioZone: Bio Links
Great set of links to sites about biology topics. Arranged by topic.
CK-12 Biology Flexbooks
CK-12 Life Sciences Flexbook
Free online textbooks for the study of biology and life sciences.
Crash Course: Biology (video)
In 40 videos, Hank Green teaches you biology! This course is based on the AP Biology curriculum and also covers some introductory anatomy.
Dissection LabOnline Dissection ResourcesVirtual EmbryoVirtual Fetal PigVirtual Frog Dissection Kit
Droplet – Amateur Microscopy of the Protozoa
Over 180 pictures covering over 50 genera of protozoa. Each item includes full taxonomy and brief descriptions of the protozoan shown.
Encyclopedia of Life
Comprehensive, collaborative, ever-growing, and personalized, the Encyclopedia of Life is an ecosystem of websites that makes all key information about life on Earth accessible to anyone, anywhere in the world.
GBIF: Global Biodiversity Information Facility
The Global Biodiversity Information Facility (GBIF) is an international non-profit organisation to provide free and universal access to data regarding the world’s biodiversity.
iBiology’s mission is to convey, in the form of open-access free videos, the excitement of modern biology and the process by which scientific discoveries are made.
Khan Academy: Biology Library
Biology is the study of life. Here, you can browse videos, articles, and exercises by topic. We keep the library up-to-date, so you may find new or improved content over time.
MIT OpenCourseware: High School Biology
A collection of biology courses and resources from across MIT. Some are materials that were used to teach MIT undergraduates, while others were designed specifically for high school students.
National Science Foundation: Biology
A bat, a mushroom, a blade of grass–they’re easy to identify as “life.” But what about a cold virus or mold? Biologists are life’s detectives, discovering what “alive” really means.
Public Library of Science: Biology
PLoS Biology is a peer-reviewed, open-access journal published by the Public Library of Science (PLoS), a non-profit organization committed to making scientific and medical literature a public resource.
A free science library and personal learning tool brought to you by Nature Publishing Group, the world’s leading publisher of science. Scitable currently concentrates on genetics and cell biology, which include the topics of evolution, gene expression, and the rich complexity of cellular processes shared by living organisms. (Not updated after Dec. 2019)
Seek by iNaturalist (Android, iPhone)
Use the power of image recognition technology to identify the plants and animals all around you. Aim your Seek camera app at an unfamiliar plant or animal and the app will look for close matches.


All About Birds
From the Cornell Lab of Ornithology, all sorts of bird lore, including a bird guide, bird cams, birding basics, a Wall of Birds, and more.
Animal Planet
Website for the popular tv channel.
The American Society for the Prevention of Cruelty to Animals is the nation’s premiere humane organization, providing local and national leadership in three key areas: caring for pet parents and pets, providing positive outcomes for at-risk animals and serving victims of animal cruelty.
Audubon Bird Guide App
The Audubon Bird Guide is a free and complete field guide to over 800 species of North American birds, right in your pocket. Built for all experience levels, it will help you identify the birds around you, keep track of the birds you’ve seen, and get outside to find new birds near you.
Encyclopedia of Life
Comprehensive, collaborative, ever-growing, and personalized, the Encyclopedia of Life is an ecosystem of websites that makes all key information about life on Earth accessible to anyone, anywhere in the world.
Google Arts and Culture: Natural History
More than 150 interactive stories from experts, 300,000 new photos and videos, and more than 30 virtual tours await you…” From a partnership between Google and over fifty natural history museums.
We invite you to explore the depths of MarineBio and find out about marine species, ocean conservation, research, and 101 Ways to Make a Difference Today.
National Geographic: Animals
Videos, pictures, and information about animals around the world.
National Geographic: Photo Ark
Photo Ark founder Joel Sartore has photographed more than 9,000 species around the world as part of a multiyear effort to document every species living in zoos and wildlife sanctuaries, inspire action through education, and help save wildlife by supporting on-the-ground conservation efforts.
National Wildlife Federation
The National Wildlife Federation is America’s largest conservation organization. We work … to protect and restore wildlife habitat, confront global warming and connect with nature.
Nature on PBS
Companion website to the PBS show, with full-episode videos available.
NOAA: National Marine Sanctuaries
Articles, videos, and images about the oceans and marine life from the National Oceanic and Atmospheric Administration.
NOAA Ocean Explorer
Explore the variety of life in the world’s oceans.
U.S. Fish and Wildlife Service
Our mission is to work with others to conserve, protect and enhance fish, wildlife and plants and their habitats for the continuing benefit of the American people.
U.S. Zoos
Binghamton Ross Park ZooBronx ZooLos Angeles ZooThe National ZooPhiladelphia ZooSan Diego Zoo
The free species directory that anyone can edit.

Cells and Microbiology

BBC Bitesize: Cell Biology
Part of a biology review series for British students. Cell Structure
Discusses what cells are made of and the various parts they contain.
Cell Image Library
This Image Library is a repository for images and movies of cells from a variety of organisms. It demonstrates cellular architecture and functions with high quality images, videos, and animations.
Cells Alive!
Covers cell structure, microbes, the immune system, and microscopy, and includes videos of microbes and cells.
Droplet – Amateur Microscopy of the Protozoa
Over 180 pictures covering over 50 genera of protozoa. Each item includes
full taxonomy and brief descriptions of the protozoan shown. (Not updated since 2008.)
Inside the Cell
From the National Institutes of Health, Inside the Cell is a science education booklet that explores the interior design of cells and vividly describes the processes that take place within its organelles and structures.
Khan Academy: High School Biology: Cells
Video lessons for high school students.
Learn Genetics: Cells
Educational materials on genetics, bioscience and health topics….designed to be used by students, teachers and members of the public. The materials meet selected US education standards for science and health.
Through the Microscope
An online textbook about microbes.
What is a Cell?
This page, part of the free online 2014 college textbook Essentials of Cell Biology, describes what cells are, their makeup, and different kinds of cells.
What is Microbiology?
Articles, images, and videos from the Microbiology Society, an association of scientists who study microbes and related topics.

Evolution & Paleontology

American Museum of Natural History – Dinosaurs
Articles, video, and images all about dinosaurs and their fossils.
Dinosaur Size Comparison (video)
In this video we made 3d Comparison of Dinosaur Size and this is true real scale comparison. From the Global Data YouTube channel.
Evolution 101
Your one-stop source for information on evolution. Part of the Understanding Evolution site from U.C. Berkeley.
Fossil Facts and Finds
This site is all about fossils. It is especially for kids, teachers, students, and homeschoolers who want to put some fun into their earth science classes. It is also for more advanced collectors who want to learn more about their specimens.
History of Life through Time
Excellent site covering the evolution and classification of life.
Human Evolution by The Smithsonian Institution
Our web site is dedicated to bringing you the excitement, latest findings, and profound implications of the scientific exploration of human origins. From the Smithsonian
Introduction to the Metazoa
Information about the fossil record, life history and ecology, and classification.
Live Science: Dinosaurs
[D]inosaur news & features, along with plenty of pictures.
National Geographic: Paleontology
Links to an encyclopedia article and other articles and videos on the subject of paleontology and related topics.
New York Times: Evolution
New York Times: Fossils
New York Times: Paleontology
Current and archived mews and commentary from the New York Times.
NOVA: Evolution video
Companion to mini-series from PBS with articles, images, and videos.
Paleontologists Are Still Puzzling Over Why Dinosaurs Ran Hot
Now, a recent Nature study … found that various dinosaurs had different metabolisms related to body temperature and activity level, with some being more bird-like and others closer to crocodiles.
The Paleontology Portal
Information on fossils, famous plant and animal finds, the paleo-geology of the U.S., online resources, museum collections, and other aspects of paleontology.
PBS: Eons video
… a journey through the history of life on Earth. From the dawn of life in the Archaean Eon through the Mesozoic Era — the so-called “Age of Dinosaurs” — right up to the end of the most recent Ice Age.
Pew Forum: Darwin and His Theory of Evolution
Pew Forum: Religious Groups’ Views on Evolution
Articles from the Pew Forum on Religion & Public Life.
ScienceDaily: Fossils & Ruins
Articles about anthropolgy, archaeology, fossils, evolution, paleontology, and related topics.
Science News: Paleontology
News and articles about life, evolution, fossils, and related topics.
Smithsonian: Paleontology
Articles about fossils, dinosaurs, and extinct species.
TED: Ideas about Paleontology (video)
A collection of TED Talks (and more) on the topic of Paleontology.
Virtual Fossil Museum
Fossils across geological time presented in multiple contexts of geological history, the tree of life, paleobiology and evolution. The Virtual Fossil Museum is an educational resource providing an ever-growing extensive collection of fossil images.
U.C. Berkeley Museum of Paleontology
Evolution, fossils, dinosaurs, paleonotology, and related topics from the University of California at Berkeley.
What is Darwin’s Theory of Evolution
Article discussing Darwin’s theory, the evidence for it, and its history.


American Society of Human Genetics: Education: Genetics Basics
Human genetics is a branch of biology that studies how human traits are determined and passed down among generations. Explore this exciting field to better understand how your genes help shape your traits and health.
Our stories anchor a variety of classroom resources based on peer-reviewed science. From data-rich activities and case studies to high-quality videos and interactive media, our resources are designed to connect students to big ideas in biology, promote engagement with science practices, and instill awe and wonder about the living world.
Biological Anthropology Tutorials
This set of tutorials focuses on aspects of biology and inheritance, including the Basic Principles of Genetics, the Biological Basis of Heredity, and Human Chromosomal Abnormalities. (2013-2014)
The Biology Corner: Generics
Genetics includes the study of heredity, or how traits are passed from parents to offspring. The topics of genetics vary and are constantly changing as we learn more about the genome and how we are influenced by our genes.
CDC: Genetics Basics
Basic introduction to genetics and how genes can affect our health, from the Centers for Disease Control and Prevention.
DNA Learning Center
The world’s first science center devoted entirely to genetics education… with a number of associated websites and resources for both student and teacher. From Cold Spring Harbor Laboratories.
Genetics 101 (video)
What is a genome, and how are traits passed from generation to generation? Learn how pea plants helped launch the study of genetics and how the field of genetics research has evolved over time. From National Geographic.
Genetics Unzipped
Genetics Unzipped is a biweekly podcast about genetics. Episodes can be streamed or downloaded, and addistional material – description, links, partial transcripts – is available for many of the episodes.
Genome: Unlocking Life’s Code
Online version of a Smithsonian exhibit on genetics, with resouces, videos, and further materials for teachers and students.
Khan Academy: Classical Genetics
Khan Academy: Molecular Genetics
Units for study dealing with heredity and DNA.
A science and health education program located in the midst of the bioscience research being carried out at the University of Utah. Our mission is making science easy for everyone to understand.
Medline Plus: Genetics
Find consumer-friendly information about the effects of genetic variation on human health. From the National Library of Medicine.
National Geographic: Genetics 101
What is a genome, and how are traits passed from generation to generation? Learn how pea plants helped launch the study of genetics and how the field of genetics research has evolved over time.
National Human Genome Research Institute
The National Human Genome Research Institute conducts genetic and genomic research, funds genetic and genomic research and promotes that research to advance genomics in health care. Genetics
Genes define much of who we are. Learn how traits are passed down within families with articles on inheritance, chromosomes, reproduction and more.

Human Biology

Anatomy Atlases
Anatomy Atlases is a digital library of anatomy information.
Biodigital Human Chrome app
The BioDigital Human is a 3D platform that simplifies the understanding of anatomy, disease and treatments. Explore the body in 3D!
An article from the Internet Encyclopedia of Philosophy, giving an overview of the history of the topic and its various aspects.
eSkeletons provides an interactive environment in which to examine and learn about skeletal anatomy. The purpose of this site is to enable you to view the bones of both human and non-human primates and to gather information about them from our osteology database.
An Online Examination of Human Anatomy and Physiology. Visually Learn About the Human Body Using Our Interactive “Flash” Animations.
How Stuff Works: Human Body
The human body is an amazing structure made up of many fascinating parts and systems. Learn about the human body and how its systems work together.
Healthline: Human Body Maps
Articles and images detailing the parts of the human body, with further articles on health-related topics.
Human Physiology
A Wikibook on human physiology.
Inner Body Research: Anatomy
Interactive views and descriptions of the human anatomy.
Khan Academy: Principles of Physiology
Khan Academy: Human Body Systems
Check out the section on physiology from Khan Academy’s Biology Library, or take a look at systems of the body from a high school biology course.
Pathology Images and Text for Medical Education
This … resource contains over 2700 images with text that illustrate gross and microscopic pathologic findings along with radiologic imaging associated with human disease conditions.
MedlinePlus: Anatomy
Articles from the U.S. National Library of Medicine.
National Human Genome Research Institute
Information about the Human Genome Project, genetics, genetic diseases, current research in the field, legislation, and more.
Science Daily: Human Biology News
Keep up with the latest news about human biology. News, articles, video, and images.
Virtual Human Body
Interactive view of parts of the human body, available in English and Spanish.
Zygotye Body
A detailed 3D model of the human body. You can peel back anatomical layers, zoom in, click to identify anatomy, or search for muscles, organs, bones and more.

Plants Plants
Discusses what plants are, their parts and life cycle, and different kinds.
Biology of Plants
Introduction to plants, their life cycle, their parts, and their place in food production, from the Missouri Botanical Garden.
Botony Depot
While designed for botony teachers, this is a great site for anyone interested in botony.
Dave’s Garden
Dave’s Garden is one of the largest sites for gardeners in the world. With tens of thousands of encyclopedic files on plants, bugs, and birds, as well as helpful articles by our gardening experts, you’ll find everything you need help your garden grow. Includes extensive PlantFiles database.
FAO: Food and Agriculture Organization of the United Nations
Achieving food security for all is at the heart of FAO’s efforts – to make sure people have regular access to enough high-quality food to lead active, healthy lives. With information about food and agriculture around the world.
The Hidden Memories of Plants
Article about a scientist studying the possibilities of plant behavior, learning, and memory from Atlas Obscura. Another article about the scientist and her findings is Getting Serious About Plant Intelligence from BigThink.
Life Cycle of a Plant
Plant life cycle comprises successive stages, including seed germination, seedling growth, plant maturity, flower development, fertilization, and seed production. Read this article to understand the growth processes of plants.
Plants in Motion
Time-lapse photography is a simple technique that allows us to see the movements of plants and clearly demonstrates that plants are living and capable of some extraordinary things.
Plants of the World Online
Browse 1,192,000 global plant names, 106,700 detailed descriptions, and 273,900 images with an initial focus on tropical Africa.
Science Daily: Botany News
The latest news in plant science.
The Study of Plants and Flowers
Information on botany and plants from a florist website.
TED: Ideas About Botany
A collection of TED Talks (and more) on the topic of Botany. Forestry Arboriculture – Tree Care and Maintenance
Links to information about the science of forests and forest care.
USDA: U.S. Department of Agriculture
The USDA provide(s) leadership on food, agriculture, natural resources, rural development, nutrition, and related issues based on sound public policy, the best available science, and efficient management.
The PLANTS Database provides standardized information about the vascular plants, mosses, liverworts, hornworts, and lichens of the U.S. and its territories. With maps, pictures, fact sheets, and articles.
US Forest Service
Website of the agency which manages public lands in national forests and grasslands.
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