Evolution and humans (Evolution)

by David Turell @, Monday, May 18, 2015, 15:17 (1036 days ago) @ Balance_Maintained

Tony: So, I don't explain the other groups because I do not view them as different evolutionary groups. A human is a human is a human, and a dog is a dog is a dog.

This is not to say that the groups didn't exist, but merely that do not view them any differently than I would a differing breeds of dogs. When you look at the difference between a Mastiff and a Chihuahua: morphologically different in the extreme, and they probably would have difficulty breeding due to size differences, but they are not really different species.

A very reasonable answer. We know that cross-breeding occurred. But only one type of Homo survived. Are there reasons of superiority or just dumb luck? The best studied group the Neanderthals seemed to have just disappeared, or did competition from H. sapiens drive them away? All of them were far in advance from apes, as your Denisovans article indicates. I would conclude, with no absolute proof, we are here because of superiority.

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