Question

List the peculiar characters of phylum aschelminthes

Answer 1

Characteristics:
Mostly parasitic (in animals and plants), a few free living called as flukes.
Body is long, cylindrical, fusiform (pointed at both the ends).
Body wall is composed of cuticle, epidermis and musculature.
Presence of a false body pseudocoelom not lined by epithelium.
Digestive system is complete.
Respiration by simple diffusion.
Nervous system consists of a nerve ring and many longitudinal nerve cords.
Only sexual reproduction. Sexes are separate with sexual dimorphism. Males are usually shorter than females

Common examples of nematodes, a major group of Aschelminthes.
1. Rhabditis (free living)
2. Ascaris (round worm) (parasitic)
3. Dracuculus (guinea worm)
4. Enterobium (pin worm)
5. Trichiuris (whilp worm)
6. Wuchereria (filarial worm)
7. Loa loa (eye worm)

Answer 2

Sexes are separate,females are longer than male fertilisation is internal they are pseudoceolemates