Most living organisms are relatively simple, and they do just fine. There's no progress in the way we typically use that word 'progress' This is not what natural selection is doing. These are intelligent designers designing pigeons to by breeding them t this is not whatNatural Selection is doing. And of you an take entire court. You could spend 15 weeks dissecting everything i just read right there,. cause there's lots of spinos on that yonon leg. Noo. Maybe it's not so gradual.