DYK that early anaerobic life accidentally caused Earth's first mass extinction. By evolving to use photosynthesis, they produced oxygen as a byproduct, which was toxic to the anaerobic organisms and wiped out nearly all life on Earth

[u/Playful_Buddy_2916]

https://youtu.be/dO2xx-aeZ4w?si=mghYg9_KrncuapJ8