Question

How does excretion takes place in phylum nematode?

Answer 1

Nematoda:

1. The body is elongated and cylindrical, with pointed ends. All nematode species are endoparasitic.
2. They are called roundworms because their cross-section is round.
3. These creatures are bilaterally symmetrical, unsegmented, and triploblastic.
4. Protonephridia and canals are responsible for excretion. Excretion is the process of removing waste materials from the body.
5. It includes Ascaris (Round worm) and Wuchereria (Filarial worms), Enterobius (Pin worm) and Ancylostoma (Hook worm).