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AMU Medical AMU Solved Paper-2011

  • question_answer
    Which of the following groups is a side Sine in the process of evolution?

    A)  Porifera                                              

    B)  Annelids

    C)  Echinodemata                 

    D)  None of these

    Correct Answer: A

    Solution :

     Sponges: represent the dead end branch of evolutionary tree as they are the only animals to have cellular level of organizations


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