Question

    A class of Echinoderms that has Pinnules

    is:
    A Echinoidea Correct Answer Incorrect Answer
    B Holothuroidea Correct Answer Incorrect Answer
    C Crinoidea Correct Answer Incorrect Answer
    D Ophiuroidea Correct Answer Incorrect Answer

    Solution

    Crinoids, also known as sea lilies or feather stars, have pinnules on their arms for filter feeding.

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