Which Is NOT a Correct Description of the Function of the Phoronid

Which is NOT a correct description of the function of the phoronid lophophore?

A) It can be extended for feeding and completely withdrawn for protection
B) The mouth lies between the two ridges of the lophophore
C) Each ridge of a lophophore has hollow ciliated tentacles that are extensions of the body wall
D) Cilia on the tentacles direct the water current down the ridges and toward the mouth
E) All of the choices are correct

Correct Answer:

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