Question

The type of body cavity seen in the roundworms is called a(n)

Answer 1

Taxonomic level: phylum Arthropoda; grade of construction: organs derived from three tissue layers; symmetry: bilateral; type of gut: complete with anus; type of body cavity other than gut: coelom; segmentation: present; circulatory system: usually open to large *coelomic* cavity

Answer 2

Acoelomate (no body cavity) Pseudocoelem (partial body cavity)Roundworms have a thick substancecalled a cuticle on the surface of theirbodies that is secreted by the outer epidermal cells. The cuticle is fairly rigid and limits the volume of the worm