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      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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