After About an Hour of Basking in the Sun, the Body

Multiple Choice

After about an hour of basking in the sun, the body temperature of the marine iguana reaches 37°C and they dive into the water to feed. In the water, their body temperature rapidly drops and they must return to the rocks to warm up. This is an example of

A) endothermic behavior.
B) positive feedback.
C) ectothermic conduction.
D) negative feedback.