Online Biology Textbook
Human Biology
Animals of The World
Play Biology Games

Biology is a fascinating subject. Learning about life on Earth is fun. Biology is the study of life, what life needs to survive, what makes life possible, how life evolves and changes, and how life forms interact with one another.

Explore our interactive Biology for kids website and learn about the cell, the most basic unit of life. Or discover the different organs and systems found in your body. Learn how your body utilizes food to make energy and to help you grow.

Discover hundreds of animal species in our animal section. From the exotic to the every day life forms that surround us.

Biology is an exciting subject. Lets learn together.