Multiple Choice
Flatworms (Platyhelminthes) are ________ and typically have ________.
A) radially symmetrical; no digestive system
B) bilaterally symmetrical; a gastrovascular cavity with one opening
C) bilaterally symmetrical; a complete digestive tract with a mouth and anus
D) all parasites; no digestive system
Correct Answer:

Verified
Correct Answer:
Verified
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