Female bisexual evolution
28 Oct The rapid increase in female bisexuality could not be due to evolution. The trait cannot be that much more prevalent now than it was just a.
19 May mostly straight, bisexual, mostly gay or per cent gay. Analysing “Female sexual fluidity may have evolved as an adaptation to facilitate it.”.
Bisexuality - Wikipedia
Description:The hypothesis, published this April in the journal Evolutionary Psychology, suggests that more fluid female sexuality may have evolved because it benefited women's offspring. Some women who were raped or fathered children with absentee or deceased dads formed sexual relationships with other women, which may have made it easier to raise children together, according to the theory. Kuhle, a psychologist at the University of Scranton in Pennsylvania. There may be no evolutionary reason for the hetero-flexibility, they say.
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