Question

____ are known to have pseudocoelom.

Answer 1

Nematodes:

1. They are commonly known as roundworms.
2. They belong to the phylum Annelida.
3. Tissue level of organization is present in them.
4. They possess body cavity or pseudocoelom.
5. They are cylindrical in shape.
6. They could be either free living or parasitic.

Final answer: Nematodes are known to have pseudocoelom.