A) Arthropoda
B) Nemathelminthes
C) Mollusca
D) Annelida
Correct Answer: B
Solution :
In Nemathelminthes, the blastocoel is persistent as body cavity in adult. Pseudocoelom is a persistent blastocoel, lacking a difinite mesoderm lining. It is a fluid filled cavity between body wall and gut, an entirely different origin from the coelom.You need to login to perform this action.
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