thunderchungus1999 t1_j28lwjm wrote
Reply to comment by Shamino79 in A totally new species will eventually evolve to take over after humans drive themselves to extinction that will be adapted to whatever conditions we leave behind by Main-Thought6040
IIRC Earth has still 400 million years left on the clock before multicellular life becomes unsustainable due to the increase in heat and radiation incoming from the expanding red sun.
It took 1000 million years for life to evolve from single celled life into ocean-dwelling fish and early amphibians.
BoogerTom t1_j28wvuz wrote
That assumes no euxinia event.
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