this post was submitted on 26 Jan 2026
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Science Memes

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[–] Denjin@feddit.uk 10 points 2 days ago (2 children)

Mass extinctions promote rapid expansion and diversification of surviving species into newly available niches.

[–] chatokun@lemmy.dbzer0.com 5 points 2 days ago

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.

[–] betahack@lemmy.world 2 points 2 days ago

imagine the roach empires that will rise once we do ourselves in