Which feature is an important adaptation of animals to cold climates?
A) Shivering at higher ambient temperatures
B) Thinner layers of body fat
C) Reduced density of fur or feathers
D) Reduced surface area-to-volume ratio
E) Increased flow of blood to the skin

Question

Quizplus · Accepted Answer

A reduced surface area-to-volume ratio helps to reduce heat loss by decreasing the amount of body surface area in comparison to the volume of the body, thus reducing the amount of heat that can be lost to the colder environment.

Answer: B
 Thinner layers of body fat allow animals to conserve heat more efficiently as heat loss decreases with a reduced layer of fat.

Answer: E
 Increased flow of blood to the skin allows animals to lose heat more quickly by increasing the rate of heat transfer from the body to the surrounding environment.

Which Feature Is an Important Adaptation of Animals to Cold