What is the body shape of Aschelminthes?

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The body of Aschelminthes is circular in cross-section, hence the name roundworms. Aschelminthes may be freeliving, aquatic and terrestrial or parasitic in plants and animals. Roundworms have organ-system level of body organisation.Fertilization is internal in Aschelminthes.They are bilaterally symmetrical, triploblastic and pseudocoelomate animals. Alimentary canal is complete with a well- developed muscular pharynx. An excretory tube removes body wastes from the body cavity through the excretory pore. Sexes are s