Question

An animal that can use body heat from chemical reactions in the body's cells to maintain a constant body temperature is called:

A) Endotherm
B) Ectotherm
C) Heterotherm
D) Poikilotherm

Answer 1

Endotherms are animals that maintain a constant body temperature in the face of environmental changes by generating internal heat.

Step-by-step explanation:

An animal that maintains a constant body temperature in the face of environmental changes is called an endotherm. These animals are able to maintain a level of activity that an ectothermic animal cannot because they generate internal heat that keeps their cellular processes operating optimally even when the environment is cold.