Both need a host organism. The parasite will need a large multi cellular organism, while a virus only needs a single cell. They both take nutrition from their hosts. read more
Viruses are similar to parasites because both require a host to survive and both destroy the cells in which they multiply (cause harm to the host). read more
Parasites that live on the surface of the host are called Ectoparasites Those that live inside the host are called Endoparasites Virus Is a small infectious against that replicates only inside the living cells of other organisms. The reason why Parasites and Viruses are similar Is because they both infect host organisms. read more
Both need a host organism. The parasite will need a large multi cellular organism, while a virus only needs a single cell. They both take nutrition from their hosts. The parasite can either intercept the nutrition the host has gathered or it can feed off the hosts tissues. read more