1. an animal whose body temperature varies with the temperature of its surroundings; any animal except birds and mammals
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How To Use ectotherm In A Sentence

  • Turtle • Endotherm / ectotherm - Migration to northern water • Problems - Stagnant ocean - Recently Uploaded Slideshows
  • As a result, these animals are able to thrive in environments with cold or highly variable thermal conditions, and in some nocturnal habitats unavailable to ectothermic vertebrates.
  • Reptiles have generally been described as sluggish, cold-blooded ectotherms.
  • Many ectothermic species demonstrate behavioral thermoregulation following feeding in an attempt to increase body temperature, thus increasing temperature-dependent rate processes associated with catabolism.
  • Dinosaurs were mostly inertial homeotherms; they were ectothermic but maintained a constant body temperature by growing large.
  • An organism, such as a fish or reptile, having a body temperature that varies with the temperature of its surroundings; an ectotherm.
  • Similarly, some modern ectotherms, chameleons for example, have an erect posture.
  • With regard to the distance traveled before exhaustion, intermittent locomotion can have greater consequences for ectotherms than endotherms.
  • For example, one might think that skeletal growth rates would be higher for an endothermic animal than for an ectothermic, or cold-blooded, one.
  • The 10-fold seasonal differences in FMR were reasonable for an ectothermic poikilotherm.
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