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submitted 7 months ago by starlord@lemm.ee to c/asklemmy@lemmy.ml

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Chicken?

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[–] snooggums@midwest.social 3 points 7 months ago* (last edited 7 months ago) (1 children)

Fish existed first, reptiles evolved from fish. Mammals evolved from reptiles alongside dinosaurs who also evolved from reptiles.

The only dinosaurs that survived the mass extinction 65 million years ago were birds.

[–] shinigamiookamiryuu@lemm.ee 1 points 7 months ago (1 children)

Evolution isn't always a forward process. Hence how we have cetaceans and why crabs evolved into existence five separate times.

[–] snooggums@midwest.social 3 points 7 months ago (1 children)

That doesn't have anything to do with the timeline of fish > reptiles > dinosaur evolution.

[–] shinigamiookamiryuu@lemm.ee 1 points 7 months ago

That's what I mean by a "forward process". Often people think evolution always goes that one way you describe.