CK-12 Foundation
Ck 12: Biology: Theory of Evolution Study Guide
Explore the evidence for the theory of evolution.
Ducksters
Ducksters: Dinosaurs for Kids
Dinosaurs: Kids learn about these ancient animals that wondered the Earth thousands of years ago. We know about them from studying fossils.
Texas A&M University
Eco Systems: Story Time: Stephen Jay Gould
See how Stephen Jay Gould's early interest in baseball influenced his thought process as a scientist.
Enchanted Learning
Enchanted Learning: Birds
This site from Enchanted Learning can answer your questions about birds. What type of scientist studies birds? What is the fastest running bird? Which bird lays the largest birds' eggs? Come and find out the answer to these questions and...
John Wiley & Sons
Wiley: Earth Through Time: Life of the Paleozoic: Phylum Chordata
Learn about the evolution of life in the Paleozoic Era based on fossil evidence of the five classes of fishes. Read about the role these chordates played in the evolution of tetrapods.