Write a short note on the phylum Aschelminthes.

Explanation

i.Aschelminthes includes roundworms that have long, thread like or cylindrical, non-segmented body.
ii.Their body is covered with a tough cuticle.
iii.These animals are triploblastic and pseudocoelomate.
iv.They are either free-living or endoparasites. Free living forms are terrestrial or aquatic.
v.Animals belonging to this phylum are unisexual.
e.g. Ascaris, filarial worm, Loa loa, etc.