[Free Registration/Login may be required to access all resource tools.] Fossils are the preserved remains of animals, plants, and other organisms from the distant past. By studying fossils, evidence for evolution is revealed....

A collection of video lectures introducing beginning biology students to the principles of evolution, ecology, and behavior. The course was taught three times a week for a semester at Yale University. The course discusses concepts of...

A collection of links to activities and lessons that could be used for Earth science concepts including the foil record, creating a timeline of Earth's history, plate tectonics, dinosaurs, and the progression of life on Earth.

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.