[mcbutterbunz]

Its my assumption that biology inspired robots would adapt better to a biological world. It might also be easier to solve problems by copying those who have already figured out a solution.

[Mistletoe]

Nature can’t really make a nice wheel and free wheeling hub though. Blood vessels would get ripped off, cartilage etc.

[lusus_naturae]

Nature does it own version of a "wheel", mainly in flagella: https://en.m.wikipedia.org/wiki/Rotating_locomotion_in_livin...

[Mistletoe]

That’s very true but it doesn’t seem to scale up well from that. :)