Worms do not have an exoskeleton like insecta or crustacea, but rather a membrane that covers it's entire body. I am not sure whether or not it is hydrostatic, though I highly doubt it.
No, planaria do not have an exoskeleton
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.
they have exoskeleton
The roundworm would be a parasite and the cat would be a host.. i think..
Pinworms belong to the phylum Nematoda, which consists of roundworms, while hookworms also belong to the same phylum Nematoda.
Yes; many cnidarians have an exoskeleton.
alimentary canal of roundworm is complete with a well devoloped muscular pharynx
Ascariasis is the only roundworm infection with a significant mortality rate.
sexually
Nematoda