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Question
In flying birds, which of the following are useful in flight with an addition to the pneumatic bone?
In flying birds, which of the following are useful in flight with an addition to the pneumatic bone?
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Solution
The correct option is B Quill feathers
Quills are composed of keratin and are anchored to the bird’s skin. The quill is attached to muscles that allow the bird to control the orientation of the feather for flight agility, fluffing to keep warm or showing off crests, plumes or other prominent feathers for courtship or aggression. Hence, option B is correct.
Quills are composed of keratin and are anchored to the bird’s skin. The quill is attached to muscles that allow the bird to control the orientation of the feather for flight agility, fluffing to keep warm or showing off crests, plumes or other prominent feathers for courtship or aggression. Hence, option B is correct.
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