frog is a poikiothem (cold blooded animal ) i.e , it reguates its body temperature according to its environment .
For withstanding very cold temperature it undergoes winter sleep (hibernation ) and sumer sleep in hot temperatures (asstivation ) During this period it lives in a dormant stage with very minmal vitral body activiites .
Also frog is capable of charging its body colour though gradually with the change in its surrounding and conditions this capbility in frog is called as comouflage and less it escape from the predaors an essential suvival parameter for living .