[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...

[Free Registration/Login may be required to access all resource tools.] Covers Darwin's theory of evolution by natural selection.

[Free Registration/Login may be required to access all resource tools.] Overview of the basic concepts behind evolution.

Explore natural selection by controlling the environment and causing mutations in bunnies.

[Free Registration/Login may be required to access all resource tools.] What did other scientists say about evolution? Check out this module to understand how Darwin developed his theory of evolution by natural selection and the ways...

These pages are part of a site called Evolution that accompany a textbook by the same name. Mark Ridley is the author. This section has an advanced discussion of determining allele and genotype frequencies using the Hardy-Weinberg ratio.

Students are introduced to the concepts of evolution by natural selection and digital evolution software. They learn about the field of evolutionary computation, which applies the principles of natural selection to solve engineering...

The Understanding Evolution website for teachers provides common examples of evolution, especially by artificial selection.

[Free Registration/Login may be required to access all resource tools.] Looks at the theories of evolution, plate tectonics, and global warming.

Can ancient scriptural accounts of the world's creation by God be reconciled with Darwin's new story? This article looks at three responses to this question: Conflict, Contrast, and Convergence.

A comprehensive description of the papers on Natural Selection published by both Darwin and Wallace in 1858. Includes full copy of Wallace's paper, 'On the Law which has regulated the Introduction of New Species.' Also includes...

Evolution, natural selection, sexual selection, coevolution, convergent evolution, mimicry, and coloration, are the topics examined in this thorough site. Assess your comprehension of the material presented by delving into the learning...

[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.

[Free Registration/Login may be required to access all resource tools.] Natural selection acts on the phenotype (traits or characteristics) of an individual. On the other hand, natural selection does not act on the underlying genotype...

These pages are part of a site called "Evolution," that accompanies a textbook by the same name. Mark Ridley is the author, and in this section he discusses the evidence for evolution.

An article reviewing over the life of Charles Darwin and his evidence of evolution. Find out how this young naturalist who took a trip around the world collecting evidence about how organisms have changed over time.

In this biology activity, students will be investigating evolution by "competing" for food like Darwin's finches might have competed. Each student group is given a different type of "beak" to work with and there are also different kinds...

These pages are part of a site called Evolution that accompanies a textbook by the same name. Mark Ridley is the author. These pages offer an explanation of speciation using reproductive isolation and differences in phenotype.

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

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."

[Free Registration/Login may be required to access all resource tools.] When Darwin returned to England at the end of his voyage, he did not rush to announce his discoveries. He did not want to present any ideas unless he had strong...

Explore paleoanthropology by going on a virtual "dig" to answer questions about famous fossil finds. Explain how alternate hominid family trees result from different interpretations of the same fossil evidence.