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ectotherm |
Also found in: Dictionary/thesaurus, Medical, Hutchinson | 0.07 sec. |
ectothermAny so-called cold-blooded animal; that is, any animal whose regulation of body temperature depends on external sources, such as sunlight or a heated rock surface. The ectotherms include the fishes, amphibians, reptiles, and invertebrates. The body temperatures of aquatic ectotherms are usually very close to those of the water. Ectotherms do not require as much food as warm-blooded animals (endotherms) of the same size, but most cannot deal as well with cold surroundings. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Welcome to the blood fued over dinosaur physiology - a debate about endothermy versus ectothermy, about warmbloodedness versus cold-bloodedness. |
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