question archive Spencer Wells brings up this idea of sexual selection - that individuals choose mates based on their relative attractiveness
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Spencer Wells brings up this idea of sexual selection - that individuals choose mates based on their relative attractiveness.We have not yet discussed this idea in class, but how do you think sexual selection may have driven human evolution?
the hydraulic pumping system in male is linked to erection since the female select a good prospective mates this will in turn result to failure in erection for the mates that are not selected by the females. hence female selection had an influence on the size of of human penis and has nothing to do with sperm competition which tends to favor large testicles