Rotifers
A) are primarily marine.
B) are dioecious.
C) lack an excretory system.
D) lack a digestive tract.
Correct Answer:
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Q30: Humans become infected with Taenia saginatus when
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A)between sand
Q32: Acanthocephalans
A)parasitize fish,birds,and mammals.
B)are monoecious.
C)have a well-developed digestive
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A)are mostly ectoparasites of fish.
B)are
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A)ocelli.
B)tactile cells.
C)chemoreceptors.
D)all of these
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Q47: Trematodes have a body covering known as
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