Mammalian and avian aquatic endotherms use all of the following mechanisms to thermoregulate except
A) fat
B) internal respiratory systems
C) fur or feathers
D) concurrent heat exchange
E) countercurrent heat exchange

Question

Quizplus · Accepted Answer

Concurrent heat exchange is not a mechanism used by endotherms for thermoregulation. Instead, they use countercurrent heat exchange, which is more efficient in conserving heat.

Mammalian and Avian Aquatic Endotherms Use All of the Following