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    Question

    Pneumatic bones are characteristic of which class of

    vertebrates?
    A Reptiles Correct Answer Incorrect Answer
    B Amphibians Correct Answer Incorrect Answer
    C Aves Correct Answer Incorrect Answer
    D Mammals Correct Answer Incorrect Answer

    Solution

    Pneumatic bones, which are hollow and filled with air cells, are characteristic of birds (Aves), making their skeletons lighter and aiding in flight.

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