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Chapter 9 Section 1
Term | Definition |
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Virus | A tiny nonliving particle that invades and then reproduces inside a living cell. |
Host | An organism that provides a source of energy or a suitable environment for a virus or another organism to live. |
Parasite | The organism that benefits by living on or in host in a parasitism interaction. |
Bacteriophage | A virus that infects bacteria |
Vaccine | A substance used in a vaccination that consists of pathogens that have been weakened or killed but can trigger the immune system in action |