ectotherm
ectotherm (poikilotherm) An animal that maintains its body temperature by absorbing heat from the surrounding environment. All animals except mammals and birds are ectotherms; they are often described as being cold-blooded and are unable to regulate their body temperature metabolically. See poikilothermy. Compare endotherm; heterotherm.
ectotherm
ectotherm An animal that maintains its body temperature within fairly narrow limits by behavioural means (e.g. basking or seeking shade). Terrestrial reptiles are ectotherms. Compare poikilotherm.
ectotherm
ectotherm An animal that maintains its body temperature within fairly narrow limits by behavioural means (e.g. basking or seeking shade). Terrestrial reptiles are ectotherms. Compare POIKILOTHERM.
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ectotherm
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ectotherm