Roundworms differ from flatworms in having a

  • A
    Circulatory system
  • B
    Pseudocoel
  • C
    Dorsal nerve cord
  • D
    Circular muscle layer

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Coelom derived from blastocoel is known as

From the $Ascaris$ egg,the first larva hatches out in the:

Which one of the following is a pseudocoelomate?

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The presence of a pseudocoelom is a characteristic feature of which phylum?

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