- vorenhutzLv 78 months ago
Viruses are an example that make it clear that there's not a good definition of life. They're not cells, that much is clear. Most of them don't have any metabolism, but they definitely reproduce. They're cellular parasites, but if they're not alive, perhaps some other parasites shouldn't be considered alive either.
- ZirpLv 78 months ago
It's on the border
viruses do procreate, but they don't eat, secrete or metabolise anything
- JazSincLv 78 months ago
No metabolism = not alive.
- Elaine MLv 78 months ago
It's alive and functioning till it dehydrates or times out.
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- Anonymous8 months ago
it's more like a package of genetic code floating about looking for a host,it cannot be considered alive until it finds one.