Question

In some hot climates it is customary to have a period of sleep, or at least...

In some hot climates it is customary to have a period of sleep, or at least reduced activity, during the hottest part of the day. This practice might be considered a form of

(A) Thermogenesis
(B) Estivation
(C) Torpor
(D) Hibernation

The Answer is (C)Torpor. May I ask for the difference between (B)Estivation and (C)Torpor? Thank you.
Science   Biology   
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Answer #1

Estivation also known as summer torpor that last for longer duration of time and occurs in amphibians, reptile, and molluscs at high temperature. Estivation occurs when food and water are scare. It reduces the metabolism, hence reduces the uptake of feed and water. prevents the damage due to high temperature.

Torpor also knwon as daily torpor is physiological condition that occurs at high temperature and reduces the body temperature and metabolic rate only for few hours (not for longer duration of time as in estivation). The frequnecy of torpor is high and may occurs every day until temperaure remains high. This occurs in small endotherms and mammal, example bats feed during night time when temperature is low and then go in torpor (sleep) during day when temperature is high. The cycle keeps repeating itself.

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