18. Which of the following statements is/are correct?
A. Nematodes are also known as 'segmented' worms.
B. Members of the Phylum Nematoda are all hermaphrodites
C. Given the following on the organisms:
I. An animal
II. Multicellular
III. has tissues
IV. Has a digestive tract
V. exhibits bilateral symmetry as an adult
This organism could be a member of the Phylum Nematoda
D. Nematodes possess a cuticle.
E. Some members of the phylum Nematoda are parasites

Option A,C and E.

Explanation:

Nematodes are round worm that live in either marine, dressage or terrestrial habitats. They are also called segmented worm. They are characterised by long, thin, tube-like appearance that have neither distinct head or tail and the rest of the body is bilaterally symmetrical. Nematodes are mostly microscopic and some are parasitic that are found nealrt everywhere. They cause diseases in both plants and animals. Examples are ascaris, hookworm, pinworms e.t.c.

Nematodes are multicellular and have digestive tracts.