If the bears don't pack on enough pounds before they hibernate, they won't enough energy that will sustain them during the hibernation period.
Hibernation is a condition when an animal slows its heart rate to save energy and survive the winter without eating much.
Some animals just slow down and move less frequently during hibernation, but others go into a deep sleep and don't wake up till spring.
If the bears don't pack on enough pounds before they hibernate, they won't return to the mountains to den for the winter.
Packing on enough pounds will provide them with enough energy that will sustain them during the hibernation period.
Thus, If the bears don't pack on enough pounds before they hibernate, they won't enough energy that will sustain them during the hibernation period.
Learn more about hibernation here: https://brainly.com/question/1884191
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