Evolution is the change of inherited characteristics within a population over time through natural selection, which may result in the formation of a new species.

[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...

[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.] Meet Charles Darwin and his theory of evolution and natural selection. Understand why adaptations are important.

A biography of Charles Darwin.

An introduction to Darwin's theory of evolution with hyperlinks to other topics on evolution, including a timeline of evolutionary thought.

This site provides the text of "The Autobiography of Charles Darwin" by Charles Darwin.

See how fossils have shown evidence of evolution throughout the history of the Earth.

Charles Darwin was born in England on February 12, 1809. He was a "naturalist," best known for his theories of evolution. Darwin collected evidence that all life on Earth "evolved" from a common ancestry. He studied the process of...

The American Geological Institute has done an excellent job of defining and explaining evolution in this online booklet. Darwin, fossils, natural selection, and change over time are some of the concepts that are covered. Make sure to see...

Through informational text, online lab activities, virtual simulations, and video clips, students study the concepts of biological 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.

Outlines the events of Charles Darwin's own evolution into a scientist and how he developed his Theory of Evolution. Also discusses the immense resistance to his ideas that he faced from all fronts. Even today, many people refuse to...

[Free Registration/Login may be required to access all resource tools.] Describes Darwin's observations on the Galapagos Islands that led to his theory of evolution.

[Free Registration/Login may be required to access all resource tools.] Describes Darwin's observations on the Galapagos Islands that led to his theory of evolution.

[Free Registration/Login may be required to access all resource tools.] Describes Darwin's observations on the Galapagos Islands that led to his theory of evolution.

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.

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

Concise description of embryology as evidence for evolution, as used by Darwin.

This slideshow provides a brief overview of Charles Darwin and his theory of evolution, natural selection and survival of the fittest.

[Free Registration/Login may be required to access all resource tools.] Do you ever wonder why some birds are big like ostriches and some birds are small like robins? Or why a lion has a mane while a leopard has spots? In the 19th...

[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.] This study guide looks at Darwin's theory of evolution and natural selection. It also looks at some of the evidence supporting the theory of evolution (comparative...