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gurglesletch said:
ManusJustus said:
gurglesletch said:
How exactly does that prove life? I don't consider a bacteria life because it isint sentient.

Well, almost everybody else considers bacteria life.

The scientific definition of life is something made up of a cell, meaning that viruses aren't considered life, but there is the argument to expand that definition to something along the lines of molecules that are capable of self-replication.  If there is life on Mars (and thats a big IF), then it probably wouldn't resemble Earth Life (unless it was transported from one planet to another).

And bacteria are sentient in the simplest defintion of the word, they react to stimulus (which is another requirement for the scientific defintion of life).

http://en.wikipedia.org/wiki/Life#Biology

I have taken Biology and while most people consider them life i don't. They don't even have a brain so they can't think.

Why do you think life has to be sentient?  Do you consider a tree or grass life?

I think what you consider 'life' should really be considered 'complex life.'  There are bacteria reacting to their environment, reproducing, metabolizing, and so forth and not to consider them life is a bit of a stretch.  Bacteria is just like every cell in your body, you just have more of them.