True: Many animals fall into deep hibernation, surviving on stored fat as their body slows down to conserve energy., Arctic ground squirrels can survive with their body temperature plummeting to a frigid -2.9 degrees Celsius., A long dormancy helps animals like bears survive winter when food is scarce., Before hibernation, animals focus on storing the fat reserves needed for survival., Some animals emerge from hibernation as svelte as ever, despite relying solely on fat stores., Hibernation allows animals to make it through harsh months by lowering their metabolism., During hibernation, brain activity has just about flat-lined, with only essential functions continuing., Hibernators avoid muscle deterioration through unique adaptations., False: All animals hibernate by completely freezing their bodies, allowing them to pause time., Hibernation is so effective that animals wake up stronger and heavier than before winter.,

HIBERNATION

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