In order for something to be classified as alive, through out its life, it must have/have done all of these once.
Cellular organization
Homeostasis
Metabolism
Responsiveness
Reproduction*
Heredity
Growth
If that's the case, does that mean that no one on b.ne bis truly alive?
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5 RepliesWhat happened to MRS GREN? That's what I was always told. Anyway, reproduction probably refers to the ability to do so, although I'm not really sure it's a valid requirement for being alive.