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Refer to the given dichotomous key and s...

Refer to the given dichotomous key and select the incorrect option regarding organisms P, Q, R and S.

A

Body of organism P contains numerous small pores called ostia and a single large opening called osculum on top.

B

Organism Q possesses gill slits at some stage of its life.

C

The body of organism R is differentiated into head, visceral mass and ventral foot.

D

Organism S possesses nematocysts.

Text Solution

Verified by Experts

The correct Answer is:
C
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