"Red Dragon"  wrote in news:bq5i4u$evu$1
{at}darwin.ediacara.org:

>  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?

Someone else may better answer the question of viruses being left out of 
the 6 kingdom classification. The question of whether viruses are alive has 
been brought up a number of times on this newsgroup, with arguments on both 
sides. Viruses do not themselves feed (and I like your definition of life 
as that which can "feed and breed"). What they do is take over the 
machinery of other cells to breed. One could call them "life by proxy". 
They are on the edge of life, and perhaps are also a good illustration of 
the saying by lawyers  that "hard cases make bad law".

Yours,

Bill Morse
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