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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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