Actually, I would say that evolution is just a mathematical description of a pattern of change, not even a process in any rigid sense. That is, the interactions that yield development in organisms are not scripted, but the follow certain laws of probability just like electrons hitting a crystal do. And they survive or do not survive depending on how those changes equip them.

I don't think the story of neo-Darwinism is complete by any means. But it is the most elegant description out there that accounts for the known data.

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