Evolution can be supported by the lines of evidence which are presented in this resource. Recognize these lines: fossil evidence, homologies, distribution in time and space, and evidence by example.

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

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...

Travel through Earth's history to learn about the Oligocene time period, which is characterized by the appearance of most of the living families of mammals.

Fossils provide scientists with clues about Earth's past. This site from the University of California's Museum of Paleontology is great for exploring lots of information on fossils.

A dynamic archive of information on digital morphology and high-resolution X-ray computed tomography of biological specimens.

Read a description of Homo sapiens as a species, learn about the variety of Homo sapiens fossils that have been found, and discover evidence of the culture of these early people.

Explore life's evolutionary history on the planet through molecular illustrations and animations. Pictorial evidence is based on origin of life research and theory.