Evolution by Monroe W. Strickberger

Jones & Bartlett Publishers

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	Chapter 18 - From Water to Air: Amphibians, Reptiles, and Birds The New Mexico Museum of Natural History and Science has a very fine web site about dinosaurs. There are a variety of important issues to explore including a glossary and dictionary. What did the dinosaur “Parasaurolophus” probably sound like and how was it determined to reproduce the sound? Visit the Dinosaurs of New Mexico web site. (The site will open externally in a new window) Did Chixculub’s Cratering End the Age of the Dinosaurs? Dinosaurs were a very successful group but, in geological terms, their extinction came suddenly. Discovery of a thin band of iridium at the “K-T boundary” suggested that perhaps part of the reasons for dinosaur extinction was due to impact of a large meteorite on Earth. Where is the Chixculub crater and how was it discovered? What evidence suggests that it may have had a role in extinction of the dinosaurs? Visit the The Chixculub Seismic Experiment web site. (The site will open externally in a new window) The origin and evolution of birds is a “hot” scientific topic. Explore some of these issues. What was the first bird like? What does evidence suggest as the ancestral lineages leading to birds? Do you think birds should be regarded as surviving dinosaurs? Visit the Aves: Fossil Record web site. (The site will open externally in a new window)