Several amphibian species survive the winter using antifreez

Several amphibian species survive the winter using antifreeze chemicals by the process of:

A.) supercooling   B.) countercurrent heat exchange   C.) torpor   D.) rete

Solution

Ans. The right answer is C. i.e torpor.

Explanation: Frogs are amazing animals. They even survive in the arctic temperatures.Ice crystals form in such places as the body cavity and bladder and under skin,but a high concentration of glucose in frogs vital organs prevents freezing.This mechanism is called torpor