A) Nematoda
B) Annelida
C) Echinodermata
D) Mollusca
Correct Answer: A
Solution :
In nemathelminthes or round worm, coelom is present but it is derived from blastocoel. It is not lined by peritonium. This type of coelom is known as pseudocoelom.You need to login to perform this action.
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