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How can you know that viruses are alive?

In: Infectious Diseases, Microbiology, Scientific Method [Edit categories]

Answer:

this can be achieved by observing it getting multiplied... only living things can multiply, replicate, or reproduce!!

First answer by ID3673693334. Last edit by ID3673693334. Question popularity: 1 [recommend question].

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How do you know when viruses are not alive?
They're never alive.
How do you know viruses are not alive?
Viruses need a host cell to reproduce (they can't on their own).
Why are viruses not alive?
They do not contain cells. They depend on a host cell for energy. They can't reproduce without the help of a host cell.
You know viruses are not alive because?
Viruses do not have all the characteristics of life. They are missing life span, homeostasis, metabolism, growth and are not made of cells.
How do you know if its alive?
Dead Starfish change colour when they die, if you have seen a Starfish in a certain colour, and then it's colour changes it has died. If you are not sure if a certain Starfish is dead and have never...