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Question
Hollow air-filled bones (pneumatic bones) are found in:
Hollow air-filled bones (pneumatic bones) are found in:
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Solution
The correct option is D Aves
- Birds are a group of warm-blooded vertebrates constituting the class Aves.
- One of the characteristic features of birds is the presence of pneumatic bones.
- Pneumatic bones are bones containing air-filled cavities within them, making them lighter than solid bone. These bones, being lighter in weight, help the birds in flying.
Hence, option D is the correct answer.
- Birds are a group of warm-blooded vertebrates constituting the class Aves.
- One of the characteristic features of birds is the presence of pneumatic bones.
- Pneumatic bones are bones containing air-filled cavities within them, making them lighter than solid bone. These bones, being lighter in weight, help the birds in flying.
Hence, option D is the correct answer.
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