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Answer:
Explanation:there are 7 levels of organization where life starts (chemical level,molecule level,cellular level,tissue Level, organ, and organism) it changes from abiotic(nonliving) to biotic(living) in between molecular and cellular. There non living because they dont act like bacteria and they take over cells and multiply read more here where I got my info
look up why is a virus living then it’ll be the first link that starts with scientificamerican