2. By Terron Spence, Lucas Amiro, Travis Wentzell and Daramfon Morgan

4.  First mammals appeared 210 MYA  Amniotes  Synapsids “Reptile like mammals”  Warm blooded. Able to search for food at night  Extinction of dinosaurs allowed mammals to fill ecological space.  Able to diversify and spread out around the world

5.  Well developed brain  Four Chambered Heart  Hair and fur  Endothermic  Ancestors  Warm blooded  Do not lay eggs except for …

6. Did You Know?  There are many species.  All mammals possess a unique parts.  Mammals ages vary largely.

7. Intriguing ?  Mammals vary largely in size.  The Cenozoic Era is the Age of mammals.

8. * "A Guide to Characteristics of Class Mammalia." Class Mammalia. N.p., n.d. Web.. * "Characteristics of Class Mammalia." Characteristics of Class Mammalia. N.p., n.d. Web.. * Klappenbach, J. (2012, 09 04). Facts about mammals. Retrieved from http://animals.about.com/od/mammals/a/tenfactsmammals.htm http://animals.about.com/od/mammals/a/tenfactsmammals.htm * "The Evolution of Mammals." The Evolution of Mammals. N.p., n.d. Web. 07 Mar. 2013.