There’s also a Hypothesis iirc that this rapid expansion also lowered our life span. Longevity Bottleneck Hypothesis though I think this one includes dinosaurs hunting mammals, and maybe Disposable Soma Theory.
Huh, the second one could probably be used to explain elves in fantasy: long life, low reproduction rate.
What made evolution accelerate so that dinosaur evolution took so long, but turning little mammals into humans was fast?
Mass extinctions promote rapid expansion and diversification of surviving species into newly available niches.
imagine the roach empires that will rise once we do ourselves in
There’s also a Hypothesis iirc that this rapid expansion also lowered our life span. Longevity Bottleneck Hypothesis though I think this one includes dinosaurs hunting mammals, and maybe Disposable Soma Theory.
Huh, the second one could probably be used to explain elves in fantasy: long life, low reproduction rate.
A large meteorite