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Cold-blooded is an informal term for one or more of a group of characteristics that determine an animal's thermophysiology. These include:

  • Ectothermy, controlling body temperature through external processes, such as by basking in the sun
  • Poikilothermy, the ability of an organism to function over a wide internal temperature range
  • Bradymetabolism, the ability to greatly alter metabolic rate in response to need; for example, animals that hibernate

Cold blooded and Coldblooded may also refer to:




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