Cold blooded vs Warm blooded animals 
Ectotherms vs Endotherms / Poikilotherms vs Homeotherms
Cold blooded animals:
  • Also known as ecotherms, poikilothermal animals.
  • They are unable to regulate their body temperature which changes with temperature of environment.
  • These animals show hibernation (winter sleep) and aestivation (summer sleep).
  • Examples: Fish, Ambipians (Frog), Reptilia ( Lizards)
Difference between Cold blooded and Warm blooded animals
Warm blooded animals:
  • Also known as endotherms, homeothermal animals.
  • They maintain constant body temperature and will not change according to the temperature of the surroundings.
  • These two activities (Hibernation and aestivation) rarely occur in these animals.
  • Examples: Aves /Birds , Mammals
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