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    Question

    Which of the following animal phyla includes organisms

    that have no true tissues or organs, and obtain nutrients through filter feeding?
    A Porifera Correct Answer Incorrect Answer
    B Cnidaria Correct Answer Incorrect Answer
    C Platyhelminthes Correct Answer Incorrect Answer
    D Annelida Correct Answer Incorrect Answer

    Solution

    Porifera have no true tissues or organs, and obtain nutrients through filter feeding. 

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