Evolution does not necessarily always find the best solution. It can get stuck in local optima: http://en.wikipedia.org/wiki/Rotating_locomotion_in_living_syst

Evolution does not necessarily always find the best solution. It can get stuck in local optima: http://en.wikipedia.org/wiki/Rotating_locomotion_in_living_systems#Evolutionary_constraints http://en.wikipedia.org/wiki/Rotating_locomotion_in_living_s...