(April 6, 2013 at 12:52 pm)Rhythm Wrote: Right, and as long as there are small things changing over time (though there's no hard barrier to relatively big changes over time either) then why would it be impossible to end up at a "place" different from where you began?
Theoretically, it sounds good on the surface, it seems small changes mean you can always go from point A to point B.
But if in between point A and point B, natural selection cannot possibly be favouring that direction, then we have a problem.