Ectothermic animals
A) depend on heat from the external environment to adjust their body temperatures.
B) may dilate blood vessels to increase blood flow and heat to the skin.
C) maintain a relatively constant body temperature despite external temperatures.
D) may have feathers to keep them insulated.
E) may have body fat to keep them insulated.

Question

Quizplus · Accepted Answer

Ectothermic animals rely on external heat sources to regulate their body temperature, unlike endotherms, which generate heat internally and have mechanisms such as feathers or body fat for insulation.

Ectothermic Animals