Tony: It would have to be from within. My point was that polymorphism doesn't mean that a subclass creates its own implementation of a method. That implementation still has to be 'written', as it were, by the programmer before it is implemented. > > Your version then of the 'inventive mechanism' would be written into the genome at the beginning of life? That would equate to pre-planning with built-in dabbling.-Yes, precisely. And that actually lines up with the biblical account.