Did you miss the "
" ?
Single-cell organism are capable of doing the same what we have been doing in the last 200 years (changing the atmosphere). It may have taken them longer, but they fundamentally changed the environment and almost every lifeform got extinct in consequence (and we can only exist because of this)
https://en.wikipedia.org/wiki/Great_Oxidation_Event
Single-cell organism are capable of doing the same what we have been doing in the last 200 years (changing the atmosphere). It may have taken them longer, but they fundamentally changed the environment and almost every lifeform got extinct in consequence (and we can only exist because of this)
https://en.wikipedia.org/wiki/Great_Oxidation_Event
To the 2nd sentence: I don't understand the point. How do they endanger their own survival, since they don't change their environment?