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Aschelminthes
Aschelminthes
body
circular in cross section
hence the name 'roundworm'
organ system level of organisation
bilaterally symmetrical
triploblastic
pseudocoelomate
Life processes
Reproduction
Unisexual / Dioecious
internal fertilisation
direct or indirect development
Digestion
Alimentary canal is complete with well developed muscular pharynx
Excretion
Excretory tube removes body waste from body cavity through excretory pore
Examples
Ascaris
- Round worm
Wuchereria
- Filaria worm
Ancylostoma
- Hookworm
Habitat
freeliving, aquatic and terrestrial, or parasitic in animals and plants