Temperature Regulation in Animals Animals differ widely in their physiologies according to numerous factors. Two of the most widely divergent characteristics are how they regulate their own body temperatures. We typically separate animals into “cold blooded” animals and “warm blooded animals”. Reptiles and fish are representatives of the first category while mammals and birds represent the second category. These broad categorizations have nothing to do with the actual temperature of an animals blood, however. As …showed first 75 words of 859 total…

…showed last 75 words of 859 total…University of California Press. Crompton, A. W., and Jenkins, F. A., Jr., (1973). Mammals from reptiles: A review of mammalian origins: Annual Review of Earth and Planetary Sciences, v. 1, p. 131-155. Freeman, Alexandra. (1994). The Morphology and Behaviour of Gorgonopsids, and a New Use for Computers in Paleontology. http://163.1.139.1/student_pages/freeal/Fig8.htm *PG is used to denote that a page number is not obtainable since the source was an electronic version accessed off the Internet.