# PTE ASQ #37: Biological Mechanisms of Mammalian...

Answer Short Question #37 - Level 3 - Feeds Listening

> You will hear a question. Please give a simple and short answer. Often just one or a few words is enough.

## Answer

Hibernation

## Explanation

The term hibernation refers to the state of inactivity and metabolic depression in endotherms, characterized by lower body temperature, slower breathing, and lower metabolic rate.

## Hints

- Think about what bears do during the winter months to conserve energy.
- The word starts with the letter 'H' and describes a deep, long-term sleep.

## Transcript

What is the term for a mammal's winter sleep?

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