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A comment on Long Before Trees Overtook the Land, Earth Was Covered by Giant Mushrooms (2013). Parent comment

Re:Long Before Trees Overtook the Land, Earth Was Covered by... by larkost on Wednesday April 26, 2023 @12:32PM (#35716360)
Arguably cyanobacteria beat us to the punch a bit less than 2.5 billion years ago in the Great Oxidation Event, when they killed off much/most of the other life by producing a lot of oxygen:

https://en.wikipedia.org/wiki/Great_Oxidation_Event

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Re:Long Before Trees Overtook the Land, Earth Was Covered by... by denton-scratch on Wednesday April 26, 2023 @12:59PM (#35716801)
The lifeforms they killed off were not very diverse, and not very interesting - mostly bacteria.
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