Chapter 9-1 Science

Question Answer
Virus A tiny, nonliving particle that invades and then reproduces inside a living cell.
Host The organism that a parasite or virus lives in or on.
Parasite the organism that benifits by living on or in a host in a parisitism interacton.
Bacteriophge A virus that infects bacteria.
Vaccine A substance used in a vaccination that consists of weakend or killed pathogens that can trigger the immune system into action.