Discusses Lamarck's theory of evolution, which was developed before Charles Darwin's own theory, and how it fared over time. The core ideas in Lamarck's theory are described and his theory and Darwin's are compared. Lamarck's ideas...

The main concepts in Charles Darwin's theory of evolution are described, how natural selection works, and the ongoing criticism of evolution from Creationists.

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National Humanities Center presents collections of primary resources compatible with the Common Core State Standards - historical documents, literary texts, and works of art - thematically organized with notes and discussion...

Students will be able to identify important ideas Darwin developed during the voyage of the Beagle, and give examples of his observations that supported those ideas.

Instructional module focusing on Charles Darwin's theory of Descent with Modification. Discusses how slight changes from parent to offspring create variation and potentially create new species over time. Site also includes an interactive...

Learn what five different religions have to say about the shaping of life and evolution. [August 8, 2005]

With this article, students will be able to clarify the significance of a scientific theory and recognize that Darwin supported his theory with a great deal of evidence, and that many kinds of evidence since his time have further...

A biography of Thomas Henry Huxley, a contemporary of Charles Darwin, and a strong supporter of his theory of evolution.

Instructional module focusing on the early work of Charles Darwin. Discusses Darwin's key role in supporting and describing the theory of evolution as driven by natural selection. Site also includes an interactive practice quiz and links...

Charles Darwin's theory that all living organisms are connected in some way has been confirmed through intense studies over centuries. Understand the similarities that bond all things living to the same family tree by checking out this...

Understanding Evolution provides evidence for evolution using fossils. There are also links to lesson plans.

An excerpt from "Darwinism: an Exposition of the Theory of Natural Selection with some of its Applications", by Alfred Wallace. He was a contemporary of Darwin who is credited as the co-developer of the theory of natural selection.

Use the scientific reasoning and critical thinking to take an in-depth look at the basics of biology.

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.

A short biography of Charles Darwin, and how he discovered evolutionary theory and natural selection.