Re: First life form on earth

 Are you saying that virus is not alive when it can feed and breed?
And they are left out in the 3 domains 6 kingdom classification of Living
Organism?

Khoon.

> Viruses are usually not considered as "living oganisms".  They are
> essentially parasitic pieces of DNA (in protein envelopes) that rely
> on a living, metabolizinng, functioning cell to reproduce.  They can
> infect any kind cell  -- bacteria, plants, animals, fungi (though
> different viruses infect different cells).  Also, they are considered
> not primitive -- early in the evolutionary scheme of things, but
> derived -- johny-come-lately's since they could not have developed
> until there were cells to infect.