Why are there warm and cold blooded animals?

Answer

animals need warm or cold blood to fit their habitat.
Q&A Related to "Why are there warm and cold blooded animals?"
Hmm. Tricky question, since body temperature is based on a number of factors ranging from vascular perfusion to metabolic rate to insulation (read: fat), so just know that this simplified
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Mammals are defined as - any warm-blooded vertebrate
http://www.chacha.com/question/what-is-defined-as-...
Cold-blooded have their body temperature regulated by interactions with the environment, while warm-blooded have an internal temperature kept constant.
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