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Which one of the following statements about certain given animals is correct?

  1. A
    Flat worms (Platyhelminthes) are coelomates.
  2. B
    Round worms (Aschelminthes) are pseudocoelomates.
  3. C
    Molluscs are acoelomates.
  4. D
    Insects are pseudocoelomates.

Solution & Step-by-step Explanation

Round worms (Aschelminthes/Nematoda) are characterized by having a pseudocoelom, where the body cavity is not lined by mesoderm but is present as scattered pouches.Flat worms are acoelomates.Molluscs and Insects are true coelomates (Eucoelomates).

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Which one of the following statements about certain given animals is correct?
A
Flat worms (Platyhelminthes) are coelomates.
B
Round worms (Aschelminthes) are pseudocoelomates.
C
Molluscs are acoelomates.
D
Insects are pseudocoelomates.

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Animal KingdomCoelomAschelminthes

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