Take your class of youngsters on a prehistoric adventure with this four-lesson series on dinosaurs. Accompanying the Meet the Dinosaurs books by Don Lessem, these lessons engage children in writing their own dinosaur books,...

Learn many facts about the Ice Age and the large animals alive in Ice Age North America, such as the muskox, short-faced bear, American lion, and the grounds sloth.

[Free Registration/Login may be required to access all resource tools.] An overview of life of the Cenozoic Era.

[Free Registration/Login may be required to access all resource tools.] Discusses therapsid ancestors of mammals.

This site will explain how the Woolly Mammoth evolved, where it migrated and what is now being done to try and clone it.