Interesting and weird! It's similar when studying the evolution of the horse! The legs went from quite a few complex moving parts down to a much smaller number

Interesting and weird! It's similar when studying the evolution of the horse! The legs went from quite a few complex moving parts down to a much smaller number in a simpler configuration in the present day. http://en.wikipedia.org/wiki/File:Horseevolution.png http://en.wikipedia.org/wiki/File:Horseevolution.png