As the sun is setting, you notice bats coming out of a cave to begin a period of heavy activity. In the very early morning, several days later, you notice them entering the cave to sleep. Which circadian rhythm would best explain this observation?

Question

Quizplus · Accepted Answer

Bats are nocturnal animals, meaning they are active during the night and rest during the day. This observation of bats coming out at sunset and returning at dawn aligns with a nocturnal circadian rhythm.

As the Sun Is Setting, You Notice Bats Coming Out