Botany - Animal Kingdom Question with Solution | TestHub

Body ofAscarisis elongate, cylindrical gradually tapering at both ends. There is no metameric segmentation. In Ascaris, between the body wall and visceral organs is a spacious fluid-filled cavity. They belong to phylum Aschelminthes that have pseudocoelom as there body cavity.

Segmentation, also called metamerism, or metameric segmentation, in zoology, the condition of being constructed of a linear series of repeating parts, each being a metamere (body segment, or somite) and each being formed in sequence in the embryo, from anterior to posterior. E.g. animals of phylum Annelida.