Which of the following is mentioned as an exception among sponges because it exhibits radial symmetry?
AHydra
BSycon
CChordata larva
DPlatyhelminthes
Answer & Solution
Correct answer: B. Sycon
The notes mention sponges such as Leucasolenia and Sycon as exceptions that exhibit radial symmetry. Hydra is radially symmetrical too, but it is a cnidarian, not a sponge.
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