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

These pages are from the Understanding Evolution website for teachers. They focus on homologous structures that organisms with common ancestors share.

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.

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...

An English naturalist who established that all species of life have descended over time from common ancestry. He proposed the theory of natural selection and evolution.