An ectotherm is a cold blooded animal; an animal that can only can't maintain their own body temperature so it is determined by the environment it is in . They are dependent on an external source of body heat. some examples of this would be snake burrowing to lower its body temperature or a lizard laying out in the sun to raise it's body temperature.Another example of an ectotherm would be a turtle (above).
Works Cited
M. ( May 28, 2010). Difference Between Ectotherms and Endotherms. Retrieved August 9, 2011, from http://www.differencebetween.net/science/difference-between-ectotherms-and-endotherms
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