Give the characteristics of Phylum Aschelminthes.

(N/A) The characteristics of Phylum Aschelminthes are as follows:
$1$. Body Shape: They are circular in cross-section,hence the name roundworms.
$2$. Symmetry and Organization: They are bilaterally symmetrical,triploblastic,and pseudocoelomate animals.
$3$. Digestive System: The alimentary canal is complete with a well-developed muscular pharynx.
$4$. Excretion: An excretory tube removes body wastes from the body cavity through the excretory pore.
$5$. Reproduction: Sexes are separate (dioecious),i.e.,males and females are distinct. Often,females are longer than males.
$6$. Fertilization: Fertilization is internal and development may be direct or indirect.