Which of the following statements concerning the mantle of mollusks is false?
A) It is present in all groups of mollusks except the octopuses.
B) In terrestrial gastropods, it is modified into a lung.
C) It is part of a filtering device used for feeding in bivalves.
D) It is used as the basis of jet propulsion by cephalopods.
E) It secretes the shell that provides external protection in most molluscan groups.
Correct Answer:
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