fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 6 个月前Turtle Shellsmander.xyzimagemessage-square92fedilinkarrow-up1753arrow-down17
arrow-up1746arrow-down1imageTurtle Shellsmander.xyzfossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 6 个月前message-square92fedilink
minus-squareTrashcan@lemmy.worldlinkfedilinkEnglisharrow-up6·6 个月前That’s neat and all. But how do they retract their heads?
minus-squaresamus12345@lemmy.worldlinkfedilinkEnglisharrow-up4·6 个月前And feet, especially box turtles. Some species can indeed go inside their shells - while still being a part of the shell itself, of course.
minus-squareRampantParanoia2365@lemmy.worldlinkfedilinkEnglisharrow-up1·6 个月前Kinda looks like those vertical bones are part of a hinge joint.
That’s neat and all. But how do they retract their heads?
And feet, especially box turtles. Some species can indeed go inside their shells - while still being a part of the shell itself, of course.
Kinda looks like those vertical bones are part of a hinge joint.