Correct Option (c)
Reason : Poikilothermy (cold bloodedness) is a condition of any animal whose body temperature fluctuates considerably with that of its environment. Homeothermy, on the other hand, is the quality of maintaining a constant body temperature.
Correct Option (c) Reason : Poikilothermy (cold bloodedness) is a condition of any animal whose body temperature fluctuates considerably with that of its environment. Homeothermy, on the other hand, is the quality of maintaining a constant body temperature.