A very good look at the Scopes Monkey Trial that pit prosecuting attorney, William Jennings Bryan against defense attorney, Clarence Darrow. Read about the issues, the media circus at the trial, and eventual outcome. Find the basis of...

Colorful, engagingly written information about astronomy and biology for Portuguese-speaking English language learners. Both subjects are broken down into a broad array of related subtopics. The biology section is particularly helpful...

[Free Registration/Login Required] An informational text about natural selection and its role in the theory of evolution. A question sheet is available to help students build skills in reading comprehension.

A brief description of Charles Lyell and his work "The Principles of Geology" which includes the concept of uniformitarianism. A description of his views on evolution and a comparison to Charles Darwin.

Learn about the life and work of Alfred Wallace, who is best known for independently conceiving the theory of evolution through natural selection; his paper on the subject was jointly published with some of Charles Darwin's writings.

This page provides an introduction to phylogenetic systematics, the way that biologists reconstruct the pattern of events that have led to the distribution and diversity of life. A tutorial "journey" into the Introduction, Methodology,...

This page has a Java simulation that demonstrates allele frequency and natural selection. Choose various numbers for this simulation and run the experiment.

The National Humanities Center presents collections of primary resources compatible with the Common Core State Standards - historical documents, literary texts, and works of art - thematically organized with notes and discussion...

This site from ScienceWorld describes the Scottish geologist Charles Lyell who supported the ideas of the uniformitarian principle and aligned himself with James Hutton's ideas. He also supported and refuted some of the ideas of Charles...

This courthouse was the scene of the Scopes Trial of July 1925, in which teacher John T. Scopes faced charges for including Charles Darwin's theory of evolution in his public school lessons. The trial became a clash of titans between the...