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    Exam 33: Protostomes
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    A ________ Is a Circular or U-Shaped Ridge Around the Mouth,bearing
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A ________ Is a Circular or U-Shaped Ridge Around the Mouth,bearing

Question 78

Question 78

Short Answer

A ________ is a circular or U-shaped ridge around the mouth,bearing either one or two rows of ciliated,hollow tentacles.

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Lophophore...

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