A roundworm has an open nervous system.
The parasitic roundworm (scientific name: Nematoda) is an invertebrate.
a roundworm has segments setae and a clitella that is about a third from its head
Roundworm is associated with under cooked pork.
The roundworm would be a parasite and the cat would be a host.. i think..
alimentary canal of roundworm is complete with a well devoloped muscular pharynx
Ascariasis is the only roundworm infection with a significant mortality rate.
Nematoda
sexually
yes
no. the roundworm would a nematode. an earthworm is part of the annelid family, because it is a segmented worm.
cylindrical?