Cold-bloodedness
Also called �Poikilothermy, Ectothermy, or Heterothermy, � the state of having a variable body temperature that is usually only slightly higher than the environmental temperature. This state distinguishes fishes, amphibians, reptiles, and invertebrate animals from warm-blooded, or homoiothermic, animals (birds and mammals). Because of their dependence upon environmental warmth for metabolic functioning, the distribution
posted by TiredKnife @ 2:22 PM
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