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NoelaniNadia
In the winter bears hibernate because food is scarce during the winter, and it is also very cold. During hibernation a bears body temperature drops, and they do not go to the bathroom. This helps them preserve energy as they sleep throughout the winter. Which is what keeps them alive. Hope I could help!!:-)))

Explanation:

Hibernation is the state in which the animals become inactive and have metabolic depression in which the heartbeats, breathing and the metabolism slows down. Hibernation help the bear species survive in the changing seasons. The food is less available in the winter season and the undergoes hibernation.

When the bears hibernate, they enter a stage of deep sleep. The bears can survive as they live on the stored fat and the food. Thus, bears eat a lot in autumn in order to charge themselves which can be used while hibernation in winters.

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