Which of the following is not a characteristic feature of phylum $Nemathelminthes$?

  • A
    Bilateral symmetry,triploblastic,pseudocoelomate.
  • B
    They are possibly most abundant amongst the animals.
  • C
    The false body cavity allows body wall muscles and digestive tract muscles to act independently of each other.
  • D
    The body wall has longitudinal muscles,circular muscles and an elastic cuticle.

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