Exchange Exemplar: How Our Locomotion Makes Our Bodies
So you're an animal here that needs to go over there. Maybe you can't sprout wings or legs or flippers on the spot, but evolution might address the need, a few generations down the line.
The idea that how we move dictates how we got these bodies is explored by Matt Wilkinson in the book Restless Creatures: The Story of Life in Ten Movements. The interview is from 2016, and we return to it here.