Biology, 23.01.2020 17:31 AbigailHaylei

Which characteristic is shared by both cnidarians and flatworms?

a) dorsoventrally flattened bodies
b) flame cells
c) radial symmetry
d) a digestive system with a single opening
e) both a and d

Answers: 3

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Which characteristic is shared by both cnidarians and flatworms?

a) dorsoventrally fla...