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What Are the Units of Selection?
In this process of natural selection, what are we selecting for? What are the units of selection? That's a great question. I think we've done far too much reverse engineering of the answer to that question from the facts of biology as we find them here on Earth. We have biases within the biota which is to say we see patterns that are of a type that our perceptual and cognitive apparatusrecognize. The more subtle phenomena involved in our biological world are discovered later and they get left out of the core theory.