Following sequence of events occur in the life cycle of which of the following organisms?Polyp →Medusa →PlanulaA. ObeliaB. PhysaliaC. Sea anemone
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a
A only
b
A & B only
c
C only
d
A, B & C
answer is B.
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Detailed Solution
Both, Obelia and Physalia show metagenesis. They show polyp stage, medusa stage. The larval stage of Obelia and Physalia are called as planula.Sea anemone does not exhibit polymorphism.