Question

How do polar bears stay warm?
Responses
A They hibernate in the winter.They hibernate in the winter.
B Their black skin absorbs sunlight or radiant energy.Their black skin absorbs sunlight or radiant energy.
C Their white fur absorbs sunlight and converts it to heat.Their white fur absorbs sunlight and converts it to heat.
D They reduce their metabolic rate when food is hard to find.They reduce their metabolic rate when food is hard to find.

Answer 1

B

Polar bears have black skin that absorbs sunlight, and their dense fur (translucent hairs that look white) plus a thick layer of blubber provide excellent insulation to retain the heat.