Evolution Logic

"So I am asking about a situation where changing from one species to another would benefit better than in-species yet still allow enough time for it to work" (-dorkfrommarn)(soon to be known as) Birds, growing wings?

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I believe in God, I just call it Nature

well that blew the shnap outta the discussion....

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-I believe in God, I just call it Nature
-One man with an imaginary friend is insane. a Million men with an imaginary friend is a religion.
-People must often be reminded that the bible did not arrive as a fax from heaven; it was written by men.
-Religion is the opiate of the masses

I've got that sinking feeling that comes when i've misinterpereted something. If you're asking do we know the reasons why evolution works, then the answer is random genetic mutations, leading into rare beneficial mutations which are almost always passed on because of the beneficial mutations tendency to give the animal that harbors it an egde.

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-I believe in God, I just call it Nature
-One man with an imaginary friend is insane. a Million men with an imaginary friend is a religion.
-People must often be reminded that the bible did not arrive as a fax from heaven; it was written by men.
-Religion is the opiate of the masses