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Life Science | Biology

Biology is the scientific study of life and living things.

Biology Library - Khan Academy

Jump to any Biology topic

Proteins, Enzymes, and Amino Acids

The Human Body

Human Anatomy Systems - innerbody.com

Skeletal System - Interactive

Muscular System - Interactive

Cardiovascular System - Interactive

Nervous System - Interactive

Human Body Systems - Khan Academy

Genetics

Find Out What Is A Gene

Genetics - Genetic Science Learning Center

Genetics Vocabulary | Quizlet Study Set - DHWH

Learn About DNA & Nucleotides

Learn About RNA

DNA vs RNA - Differences

Ecology

Ecology is the study of organisms, the environment and how the organisms interact with each other and their environment.

Learn more about Ecology

Landscape Ecology

Population - Khan Academy

Community - Khan Academy

Ecosystem - BYJU's

Biotic & Biotic Factors - ThoughtCo

Biosphere - EarthHow

Biomes - DHWH

Botany

Find Out What is Botany

The Plant Life Cycle

Photosynthesis

Parts of A Plant

Learn About Carnivorous Plants

All About The Types of Trees

Learn About the Parts of A Tree

Zoology

What is Zoology?

Visit A-Z List of Animals

"Our pledge to you simple: we built A-Z Animals to be a resource you can trust. That means every day we strive for accuracy... so that all readers can trust the material found here represents the most modern understanding of a given species ranging from scientific name to diet, habitat, and more."

Easier to learn with videos?

Check out CrashCourse - Zoology!

YouTube Playlist - CrashCourse - Zoology

Crash Course Zoology Teaches:

What is an Animal? Crash Course Zoology #1

What’s the Most “Animal” Animal? Crash Course Zoology #2

Diversity of Bodies & Sizes (but mostly crabs): Crash Course Zoology #3

How & What Animals Eat: Crash Course Zoology #4

Brainy & Brainless Animals: Crash Course Zoology #5

How Animals See: Crash Course Zoology #6

How Animals Hear: Crash Course Zoology #7

Ancestral & Weird Senses: Crash Course Zoology #8

Reproduction: Crash Course Zoology #9

Animals Working Together: Crash Course Zoology #10

Parasites: Crash Course Zoology #11

Phylogenetic Mysteries: Crash Course Zoology #12

What is a Species? Crash Course Zoology #13

Frontiers in Zoology: Crash Course Zoology #14

Microbiology

Microbiology is the study of all living organisms that are too small to be visible with the naked eye. This includes bacteria, viruses, fungi, and algae, collectively known as 'microbes'.

Learn more about Microbiology