Reptile Introduction Reptile Introduction What Is a Reptile? A reptile is a vertebrate that has dry, scaly skin, lungs, and terrestrial eggs with several membranes. These…
Chapter 11: Evidence for evolution Part 1 Chapter 11: Evidence for evolution Reflections of a distant past You are about to make a leap through time: from what is known to…
How Did It Happen? A Guide to the Downfall of the Dinosaurs Susan Bratek http://news.nationalgeographic.com/news/bigphotos/images/060905-dinosaurs_big.jpg Abstract The Cretaceous-Tertiary…