NEET BIOLOGY

Detailed explanation-1: -Roundworms: Phylum Nematoda. Species in the phylum Nematoda (from the Greek root word nema meaning thread) are better known as the roundworms (Fig. 3.41). There are about 25, 000 species of nematodes formally described by scientists.

Detailed explanation-2: -nematode, also called roundworm, any worm of the phylum Nematoda. Nematodes are among the most abundant animals on Earth.

Detailed explanation-3: -Nematodes parasitic on humans include ascaris, filarial nematodes, hookworms, pinworms, and whipworms. Species include Ancylostoma duodenale, Necator americanus, Trichinella spiralis, Wuchereria bancrofti, Onchocerca volvulus, etc. They can attack the muscles, alimentary canal, eyes, and other body tissues.

Detailed explanation-4: -Phylum Nematoda: The Roundworms Roundworms, hookworms, and heartworms are all members of phylum Nematoda, and they are all common canine maladies. Most dogs will become infected with at least one species of nematode at some point in their life.

Detailed explanation-5: -All nematode species are endoparasitic. They are called roundworms because they appear circular in cross-section. It includes Ascaris (Round worm) and Wuchereria (Filarial worms), Enterobius (Pin worm), Ancylostoma (Hook worm).