In endotherms, increasing insulation facilitates heat retention in part

Subject : Biology

Question: In endotherms, increasing insulation facilitates heat retention in part because the range of the thermoneutral zone is reduced.

A) True

B) False

Expert Verified Solution:

The answer is: A) True

Explanation: In endotherms (animals that regulate their own body temperature internally), increasing insulation (such as through thicker fur or fat) helps to retain heat by reducing the range of the thermoneutral zone. The thermoneutral zone is the temperature range within which the animal does not need to expend extra energy to maintain its body temperature. By increasing insulation, the endotherm can maintain its body temperature more effectively within a narrower range of environmental temperatures.