An Arctic fox has thick fur and a layer of fat under its skin. What is the PRIMARY purpose of these adaptations?
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Worked Solution
Step 1: Thick fur and fat act as insulators.
Step 2: Insulators trap heat and prevent it from escaping.
Step 3: In the Arctic, maintaining body temperature is critical for survival.
Step 4: Therefore, these adaptations reduce heat loss.
Correct answer: To reduce heat loss to the cold environment.
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