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← Nature & AnimalsWhich risk increases when air sacs are compromised?
A)Increased parasitic infection vulnerability
B)Decreased efficiency of bone calcification
C)Compromised feather thermoregulation efficiency✓
D)Lessened muscular contraction during flight
💡 Explanation
Compromised air sacs reduce convective circulation around plumage; reduced feather insulation causes heat loss because avian feathers use insulation to maintain core temp, therefore decreased regulation, rather than preventing parasitic infection directly.
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