In general, you would expect to find the greatest surface area (relative to size) for gas exchange in animals that are
A) ectothermic.
B) active and endothermic.
C) sedentary and endothermic.
D) vertebrates.
E) invertebrates.

Question

Quizplus · Accepted Answer

Active and endothermic animals have the highest metabolic rates, requiring efficient gas exchange systems to meet their oxygen demands and remove carbon dioxide efficiently. This necessitates a large surface area relative to their size for gas exchange.

In General, You Would Expect to Find the Greatest Surface