Which characteristic is shared by both cnidarians and flatworms?
A)dorsoventrally flattened bodies
B)flame bulbs
C)radial symmetry
D)a digestive system with a single opening
E)both A and D

Name: Which characteristic is shared by both cnidarians and flatworms? A)dorsoventrally flattened bodies B)flame bulbs C)radial symmetry D)a digestive system with a single opening E)both A and D
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Question

Quizplus · Accepted Answer

Both cnidarians and flatworms have a digestive system with a single opening, serving as both mouth and anus.

Which Characteristic Is Shared by Both Cnidarians and Flatworms