Nematodes are differentiated from other worms by -
Nematodes are helminths which belong to phylum Nematoda.They are elongated ,bilaterally symmetrical,cylindrical,unsegmented worms with tapering ends.They resemble eaworm.(refer pgno:136 baveja 3 rd edition)
Segmentation absent
Separate celomic cavity
Sexes separate
They are cylindrical
parasitology