Within any particular group of animals (e.g. ,sharks,hummingbirds,cats),the metabolic rate per gram of body weight
A) is unrelated to the animal's size.
B) is determined mostly by an individual animal's age.
C) does not vary from individual to individual.
D) decreases as the animal's size increases.
E) increases as the animal's size increases.

Question

Quizplus · Accepted Answer

The metabolic rate per gram of body weight decreases as the animal's size increases. This is due to the fact that larger animals have a smaller surface area to volume ratio, which leads to a decrease in heat loss and thus a decrease in metabolic rate.

Within Any Particular Group of Animals (E