fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 10 个月前Teeth.mander.xyzimagemessage-square10fedilinkarrow-up1273arrow-down17
arrow-up1266arrow-down1imageTeeth.mander.xyzfossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 10 个月前message-square10fedilink
minus-squareBonehead@kbin.sociallinkfedilinkarrow-up32arrow-down1·10 个月前 With birds it’s all beaks. That’s only for the last 100 million years. Before that it’s all teeth too.
minus-squareLemmyKnowsBest@lemmy.worldlinkfedilinkEnglisharrow-up5·10 个月前Birds had teeth 100 million years ago, then suddenly they didn’t?
minus-squareBonehead@kbin.sociallinkfedilinkarrow-up8·10 个月前Not suddenly, it likely took a few million years to lose them. But essentially, yes.
minus-squareCommunist@lemmy.mllinkfedilinkEnglisharrow-up3·10 个月前Here is an excellent video that explains why the non-beaked birds died out: https://www.youtube.com/watch?v=M1TanPmCckM
That’s only for the last 100 million years. Before that it’s all teeth too.
Birds had teeth 100 million years ago, then suddenly they didn’t?
Not suddenly, it likely took a few million years to lose them. But essentially, yes.
Here is an excellent video that explains why the non-beaked birds died out: https://www.youtube.com/watch?v=M1TanPmCckM