Biology · Animal Adaptations
Why do the hairs on the skin erect when ambient temperature falls?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Trapped air acts as an insulating layer to reduce heat loss✓
- 2It is purely a behavioral response to cold weather
- 3It increases heat loss through subcutaneous fat
- 4It accelerates sweat evaporation
Correct answer
Trapped air acts as an insulating layer to reduce heat loss
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