Yes, I had been thinking about that.
"New research shows the "#GreatDying" was caused by global warming that left ocean animals unable to breathe...As temperatures rose and the metabolism of marine animals sped up, the warmer waters could not hold enough oxygen for them to survive. "*
/s: That, and that the only known species that was as stupid as human beings to destroy its habitat was the #BlueAlgae.
What does this say about human intelligence? /s
*
https://earth.stanford.edu/news/what-caused-earths-biggest-mass-extinction