Final answer:
Cold-blooded animals rely on behavioral adaptations to regulate their body temperature in different environments.
Step-by-step explanation:
Animals that are cold-blooded, like reptiles and amphibians, rely on their environment to regulate their internal temperatures.
When it is cold outside, their body temperature drops, and they become sluggish.
When it is hot outside, their body temperature rises, and they become more active.
They rely on behavioral adaptations to stay warm in cold environments and cool in hot environments.