I cannot say (or prove) that all heterosexual "choices" convey selective advantage to the species. I will, however, assert that: 1.) all heterosexual "behavior" follows natural selection patterns, whether for the elimination of traits that do not convey competitive advantage or development of traits that do; and, 2.) that a distinct lack of reproduction in a sexually reproducing species (e.g. homosexual lifestyle) would lead to only one natural selection conclusion -- extinction. Certainly not what I would call a competitive advantage, althought certain animal rights activists see the elimination of homo sapiens as the only salvation for our planet and the rest of the species inhabiting it. I tend not to be so pessimistic and fatalistic. I appreciate the opportunity to debate these issues.
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