What features does Platyhelminthes and Nematodes have that makes it different from the other branches of the tree Unique features. It's a separate branch for some reasons, what are they?



Answer :

  • The primary distinction between Platyhelminthes and Nematoda is that the former are invertebrate types known as flatworms, whereas the latter are invertebrate types known as roundworms.
  • The bodies of Platyhelminthes are flat, while those of Nematoda are cylindrical with tapering ends.
  • Nematoda have gliding movements, whereas Platyhelminthes have thrashing movements.
  • The acoelomate creatures are platyhelminthes, while the pseudo-coelomates are nematodes.
  • On the other hand, Nematoda have a full digestive system, whereas Platyhelminthes only have a partial one.
  • On the other hand, Nematoda have a full digestive system, whereas Platyhelminthes only have a partial one.
  • On the other hand, Nematoda have a full digestive system, whereas Platyhelminthes only have a partial one.
  • While Nematoda are members of the superfamily of protostomes known as Ecdysozoa, Platyhelminthes are members of the superfamily of protostomes known as Lophotrochozoa.
  • Nematoda were further divided into two classes, while Platyhelminthes were further divided into three classes.

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