We would evolve to breathe more cyanide thank you Jesus.
Did you know that the mithochondria are the powerhouse of the cell?
And that there are more galaxies than there are grains of salt atoms on a single hair of a football field?

>>16960093
>We would evolve to breathe more cyanide
like those jews in the gas chambers

>>16960049
Evolution doesn't cause entire species to spontaneously change. It's a branching pattern.
If some populations of cyanobacteria stopped producing oxygen, nothing would change unless something caused the oxygen producing populations to go extinct.

>>16960049
That's not really how evolution or chemistry works.