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Semi_Hemi_Demigod@lemmy.world ⁨8⁩ ⁨hours⁩ ago

• deegeese@sopuli.xyz ⁨8⁩ ⁨hours⁩ ago

  How’s a quadrupedal animal gonna have thumbs?

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  • Semi_Hemi_Demigod@lemmy.world ⁨8⁩ ⁨hours⁩ ago

    Bipedal dinosaurs with grasping hands are pretty common. Velociraptors, for example.

    source

    • deegeese@sopuli.xyz ⁨8⁩ ⁨hours⁩ ago

      So back problems

      source

      • Semi_Hemi_Demigod@lemmy.world ⁨7⁩ ⁨hours⁩ ago

        Humans have back problems because we took a spine that had evolved for billions of years to be horizontal and stacked it up like a bunch of dinner plates.

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