202
Question
The long bones are hollow and connected by air passage. They are characteristic of
The long bones are hollow and connected by air passage. They are characteristic of
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Solution
The correct option is D Aves
Birds possess light weight bones, that contain internal spaces filled with air. These are called as pneumatic bones. They help in, reducing their body weight, thus it is an adaptation for flight. Therefore, the correct answer is option A.
Birds possess light weight bones, that contain internal spaces filled with air. These are called as pneumatic bones. They help in, reducing their body weight, thus it is an adaptation for flight.
Therefore, the correct answer is option A.
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