Untamed Science
Untamed Science: Biology: Evolution: History of Life: The Cambrian Explosion
Learn about the Earth's evolutionary history during the Cambrian period. [3:25]
CK-12 Foundation
Ck 12: Life Science: Structural Evidence for Evolution
[Free Registration/Login may be required to access all resource tools.] Even though two different species may not look similar, they may have similar internal structures that suggest they have a common ancestor. That means both evolved...
CK-12 Foundation
Ck 12: Biology: Birds Study Guide
This comprehensive study guide covers the main terms and concepts needed for a biology unit on birds.
Talk Origins Archive
Talk.origins: Introduction to Evolutionary Biology
An article giving a brief introduction to evolutionary biology. The article addresses misconceptions as well as the basics of the theory of evolution.
CK-12 Foundation
Ck 12: Biology: Earth Forms and Life Begins Study Guide
This comprehensive study guide covers the main terms and concepts needed for a unit on the origin of life.
BiologyWise
Biology Wise: Characteristics of Angiosperms
Discusses the evolution of angiosperms and describes the distinct features of angiosperms.
TED Talks
Ted: Ted Ed: Pruney Fingers: A Gripping Story
Why do fingers become pruney when they get wet? Mark Changizi examines the evolutionary reasons for pruney fingers, while exploring natural and manmade phenomena, like river networks, that operate similarly. [4:22]
CK-12 Foundation
Ck 12: Life Science: Natural Selection
[Free Registration/Login may be required to access all resource tools.] The theory of evolution by natural selection means that the inherited traits of a population change over time. Inherited traits are features that are passed from one...