What is aestivation?? What is Homeostasis??

Dear Student

Hibernation: It is mainly done by bears to avoid stress condition in winters by going into an inactive state to conserve the energy.
Aestivation: It is mainly done by snails and some fishes to avoid heat and desiccation condition in summers by lowering their metabolic rate and thus conserve energy by reducing their activities.

Homeostasis refers to the ability of an organism to maintain a constant internal environment . eg: birds and mammals
 
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