The main function of the feathers covering the part label...
Use the diagram below to answer this question.
The main function of the feathers covering the part labeled I is to?
A.
prevent ectoparasites from attacking the animal
B.
generate heat to keep the animal warm
C.
provide some power for flight
D.
serve as insulator to maintain body heat
Correct answer is D
No explanation has been provided for this answer.
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