How Do Ectotherms Primarily Regulate Their Body Temperature

Question

How do ectotherms primarily regulate their body temperature?
A) by adjusting their rate of metabolism
B) by absorbing or releasing heat
C) by eating more or less, depending on their need for body heat
D) by panting when it gets too hot and shivering when it gets too cold

Accepted Answer

Ectotherms primarily regulate their body temperature by absorbing or releasing heat from their environment. This can be through basking in the sun to warm up, or seeking shade or cooler areas to cool down. They do not adjust their metabolism or rely on eating more or less to regulate their body temperature, and do not pant or shiver as a means of thermoregulation.