Question

Why are nematodes so successful?

Answer 1

Nematodes:

1. The reasons for the success of the Nematoda as parasites probably include the presence of an environmentally protective cuticle, facultative diapause (like the dauer stage of Caenorhabditis elegans), and biochemical adaptations to existence in extreme conditions, and the use of a variety of reproductive strategies.
2. They are cylindrical.
3. They are either free-living or parasitic.
4. They belong to the phylum Annelids.
5. Tissue level of organization is seen in them.
6. They also possess body cavity or pseudocoelom.