Criteria for Life

James Burns burns at
Wed Jan 3 12:44:04 EST 1996

On Wed, 3 Jan 1996, JB wrote:

>  I once heard that there was a certain criteria for something to be
> considered "alive."  I think it had to meet four(?) specific
> requirements and that determined if it was considered to be living.
> They were all biological criteria.  
>    Could someone email me these crtieria?  Thanks!
> --John
> jbailey at
Trying to remember my BIO 101 class, it is something like:

Ability to reproduce 

Utilize energy

Excrete waste

Motility or ability to respond to external stimuli

Does a computer qualify?



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