Multiple Choice
How does a ribbon worm differ from a flatworm?
A) A flatworm has a complete digestive system.
B) A ribbon worm has a mouth and an anus.
C) Flatworms are deuterostomes.
D) Flatworms are radially symmetrical and ribbon worms are bilaterally symmetrical.
Correct Answer:
Verified
Correct Answer:
Verified
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