Only if something survives other gas, we can have aliens
I agree and I like the formation of multi cellular organismsDemon_skeith said:I'm sure in time, from a day or hundreds to millions of years, something will come about from mutation or science gone wrong.
I know man and we are created by bacteria!Star_Of_Hope said:I was about to say plants but they respire too and only during daytime, they take carbon dioxide.
Water is important for the survival of any species
Angel said:is this a trick question? aliens can be very alive and be somewhere and we can't reach them and we don't have the tech for it. do you get what i am saying? there has to be aliens somewhere.
Nameless said:That article is awesome man . Who would have thought the oxygen is a waste product and killed bacteria like that?
I wouldn't have thought it's even possible and bacteria creating oxygen is just unbelievable man.
NXL said:an anaerobic organism can live without oxygen. some organisms like obligate anaerobes can't live in the presence of oxygen, basically, oxygen kills them.
NXL said:an anaerobic organism can live without oxygen. some organisms like obligate anaerobes can't live in the presence of oxygen, basically, oxygen kills them.
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