During the winter months, the food for ground squirrels becomes diminished. how have ground squirrels adapted so that they can survive cold winter months.\

a-decreasing their fur coverage
b-becoming more active during the winter
c-migrating to another area
d-hibernating until conditions improve

D-hibernating until conditions improve

Explanation:

Hibernating is a kind of adaptation in which the animals are adapted to sleep for a long time specifically in the winter months so as to avoid unfavorable environmental conditions. As winter months poses unfavorable environment during which the animals are not capable of searching food. By remaining to their habitats and preserving the metabolic energy in the form of available fat and collected food these organisms hibernate. These hibernating animals wake up when the conditions become favorable.

According to the given situation, the squirrels hibernate until the conditions improve because the winter months are not favorable for them and they experience scarcity of food.

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explanation: