The essential structural difference between hyd... - JAMB Biology 1992 Question
The essential structural difference between hydra and tapeworm is that while Hydra
A
has tentacles, tapeworm is parasitic
B
is diploblastic, tapeworm is triplobastic
C
has a mouth, tapeworm feeds by suckers
D
has mesoderm, tapeworm has mesogloea
correct option: b
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