Answer to Question #117984 in Zoology for Shania kumar

Question

Compare and contrast the three “worm” phyla (Platyhelminthes, Nematoda and Annelida).

Answer 1

Flatworms (phylum Platyhelminthes) are simple animals that are slightly more complex than a cnidarian. Roundworms (phylum Nematoda) have a slightly more complex body plan. Segmented worms (phylum Annelida) are the most complex animals with worm-like body plans.