Question

Define phylum nematode
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Answer 1

Answer:

Hi friend ,

Phylum Nematoda is a phylum of invertebrate animals. They are comprised of roundworms (or nematodes). They are identifiable by their smooth and tough outer covering and narrow cylindrical unsegmented body. Their name is etymologically derived from the Greek word nema, nematos, meaning “thread"

The charascteristics is:-

1)The organism have bilaterally symmetrical and triploblastic body. 2)Body is cylindrical rather than flattened.

3)Body has tissues but no real organs.

4)Parasitic nematodes are pathogenic means they produce diseases in host.