Question

Short answer on hibernation
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Answer 1

Answer:

Hibernation is a deep sleep that helps them to save energy and survive the winter without eating much. During hibernation the animal's body temperature drops, and its heartbeat and its breathing slow down so that it does not use much energy.

Explanation:

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Answer 2

Answer:

Hibernation is a deep sleep that helps them to save energy and survive the winter without eating much. During hibernation the animal's body temperature drops, and its heartbeat and its breathing slow down so that it does not use much energy.