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    Question

    Which of the following characters is not typical to

    class Mammalia?
    A Four chambered heart Correct Answer Incorrect Answer
    B Seven cervical vertebrae Correct Answer Incorrect Answer
    C Thecodont dentition Correct Answer Incorrect Answer
    D Ten pairs of cranial nerves Correct Answer Incorrect Answer

    Solution

    All mammals whether camel or whale or giraffe or Man have seven cervical vertebrae. Mammals have 12 pairs of cranial nerves.

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