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Fisherian runaway: Difference between revisions
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=== Summary === | === Summary === | ||
In summary, beauty could have evolved simply by sexual selection, | In summary, beauty and other ornaments could have evolved simply by sexual selection, e.g. mate selection favoring objective [[beauty]] (simplicity). But feedback loops as mentioned above may have exaggerated aspects of it, leading to increased sexual dimorphism and amplified and narrowed the attraction to specific kinds of beautiful phenotypes. This also stabilizes the phenotype, making it harder to adapt to environmental changes. Any sort of sexual dimorphism, whether behavioral or ornamental likely tends to get reinforced by such feedback loops because sexual dimorphism is inherently attractive.<ref>https://incels.wiki/w/Scientific_Blackpill#Even_chickens_prefer_sexually_dimorphic_human_faces.2C_to_the_same_extent_as_humans</ref> | ||
Since females are [[Bateman's principle|more choosy]] in many species throughout the animal kingdom (including humans), the males tend to be more ornamented. | Since females are [[Bateman's principle|more choosy]] in many species throughout the animal kingdom (including humans), the males tend to be more ornamented. | ||