Question

Name the phylum from which roundworms belongs.

Answer 1

Characteristics of Phylum Nematoda.

1. Roundworms belong to the Phylum Nematoda
2. Triploblastic animals, but true body cavity not found.
3. Mostly endoparasites (living inside the body of the host), therefore respiration is anaerobic.
4. A thick cuticle layer for protection is present on the body.
5. The digestive system is poorly developed, respiratory system and circulatory system are absent since members are endoparasites.
6. The reproductive system is highly evolved.
7. The body cavity is pseudocoel is present.