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Femininity in the female face and voice provide cues to female reproductive hormones and reproductive potential. [105] Males tend to have lower pitched voices than females, likely due to male intrasexual competition, [ 106 ] but some evidence suggests that high female voice pitch may also be favored by male mate choice and function in ...
Mate guarding tactics employed by males tend to be hiding the female from intrasexual threats; this could be not bringing the mate to social events in which other competing males may be present. Another is to request that the female wear items that indicate possession, this could be a wedding ring or the male's jacket for example.
[35] [36] [37] Research examining female rats has lent its support, wherein female rats showed a higher incentive motivation for unknown males over ones they had just copulated with. [37] In a study conducted in 2013, researchers conducted an experiment to test if the Coolidge effect could be observed in female rats. [36]
Skin color contrast is also an important indicator of female attractiveness. [29] Women tend to have darker eyes and lips than men, especially relative to the rest of their facial features, and this has been associated with increased female attractiveness and femininity, [29] yet it also decreases male attractiveness according to a 2009 study. [30]
The Descent of Man, and Selection in Relation to Sex is a book by English naturalist Charles Darwin, first published in 1871, which applies evolutionary theory to human evolution, and details his theory of sexual selection, a form of biological adaptation distinct from, yet interconnected with, natural selection.
In evolutionary psychology and behavioral ecology, human mating strategies are a set of behaviors used by individuals to select, attract, and retain mates.Mating strategies overlap with reproductive strategies, which encompass a broader set of behaviors involving the timing of reproduction and the trade-off between quantity and quality of offspring.
In evolutionary psychology, people often speak of the four Fs which are said to be the four basic and most primal drives (motivations or instincts) that animals (including humans) are evolutionarily adapted to have, follow, and achieve: fighting, fleeing, feeding and fucking (a more polite synonym is the word "mating"). [1]
Erotic plasticity is the degree to which one's sex drive can be changed by cultural or social factors. [1] [2] Someone has "high erotic plasticity" when their sex drives can be affected by situational, social and cultural influences, whereas someone with "low erotic plasticity" has a sex drive that is relatively rigid and unsusceptible to change.