In a comparison of ectotherms and endotherms which of the fo

In a comparison of ectotherms and endotherms, which of the following are correct? Endotherms are regulators while ectotherms are conformers Endotherms have higher energetic demands compared to ectotherms. Endotherms spend more energy on internal temperature regulation compared to ectotherms. Endothermy is more common among animal phyla than ectothermy. At the cellular level, endotherms cells always produce more ATP and more heat. 1 and 2 2 and 3 1 and 2 and 3 and 4 2 and 3 and 4 and 5 3 and 4 and 5

Solution

B) 2 and 3

Endotherms produce their own heat; ectotherms rely on environmental heat. Most ectotherms are cold-blooded while most endotherms are warm-blooded, but there are exceptions. Mammals are endotherms, and reptiles and amphibians are ectotherms.