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Originally posted by Deus Ex Machina 42
I think we should definitely wait off on introducing even bacteria to Mars, due to the reason that unforeseen consequences could happen to the planet if we let it get out of control. Also, we should look thoroughly for current life like you said, instead of already introducing it to Mars.
Originally posted by IgnoreTheFacts
I don't see any problem bring life to mars (probably in the form of genetic modification to withstand the environment) as I don't see any reason to assume there could be anything more than microscopic alive/dormant on mars now anyway. So no real harm done to the potential indigenous life forms.
What I would have a problem with is bring life from Mars back here, even life we seeded there. One can only guess what kind of mutation would happen over so many generations that could make things difficult for us if it ever got back here (such as hurting our food chain at the very bottom due to bacteria/viruses, etc that could potentially kill off the good bacteria we depend on. Not the most scientific or intelligent answer, but that is just off the top of my head.