An interview with Douglas Futuyma, renowned evolutionary scientist, explaining the theory of natural selection and how it steers toward evolution.

[Free Registration/Login may be required to access all resource tools.] Students will explore the factors that lead to evolution such as genetic mutation, gene drift and gene flow.

[Free Registration/Login may be required to access all resource tools.] An introduction to Charles Darwin and his theory of evolution by natural selection is offered for students. Meet the writers who influenced Darwin to develop his...

An explanation of viruses that includes the importance knowing the origins and the evolution of viruses.

[Free Registration/Login Required] A detailed lesson with downloadable PowerPoints and student handouts that examines how the study of comparative embryology provides support for the theory of evolution.

[Free Registration/Login may be required to access all resource tools.] Covers the evolution of life.

[Free Registration/Login may be required to access all resource tools.] Covers the evolution and ecology of fish.

[Free Registration/Login may be required to access all resource tools.] Describes three of the four forces of evolution: mutation, gene flow, and genetic drift.

Take this interactive, multiple-choice quiz over evolution, then review your score and any missed questions at the end.

[Free Registration/Login may be required to access all resource tools.] Overview of the evolution of life and Darwin's theory of evolution.

Recent discovery and theroy that changes the conventional explanation for the evolution of plants.

Read the fascinating transcript of the proceedings in court when Clarence Darrow called William Jennings Bryan to the stand to expose the weakness in his argument against evolution in the famous Scopes trial.

This lesson plan will give students an overview of the role and purpose of taxes in American history.

At the online companion Web site of "Evolution," the seven-episode series on PBS, piece together clues to how one of our early ancestors looked as you examine images from four significant fossil finds of Australopithecus afarensis.

These pages are part of a site called "Evolution," that accompany a textbook by the same name. Mark Ridley is the author. This section is about Darwin, his travels, and his observations that led to "On The Origins Of Species."

Explanation of what might happen in the next mass extinction event on Earth.

This activity places the control of the environment under the student's control. A field starts off with a uniform light level, and thus capable of growing plants with medium-sized leaves. Students can alter the environment by growing a...

Immerse yourself in evidence supporting and rejecting the ideas of intelligent design.

Scientific article explaining what natural selection is, and how it manifests itself through genetics and from generation to generation. Natural selection is compared to genetic drift, both of which cause evolution to occur. The limits...

Stebbins is a game about evolution. Students collect data as predators eating colored circles on a colored background, being careful to avoid the poisonous ones. Data analysis reveals how the population changes color over time, and can...

Ring species are a part of the speciation process which helps to understand evolution. Discover what we have to learn from ring species in this article.

Through fossils scientists have been able to study the evolution of whales. Read this article to take a closer look at the details.

The complete original text of On the Origin of Species by Charles Darwin.

An article addressing those that believe religion and science cannot coexist stressing that they can definitely work together.