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Sexual dimorphism affects mate preferences from "summary" of The Evolution of Desire by David M. Buss
Sexual dimorphism refers to the physical differences between males and females of a species. These differences can influence mate preferences in several ways. For example, in many species, males and females have different reproductive strategies due to their distinct roles in reproduction. In humans, for instance, men and women have evolved different preferences when selecting a mate because of the differing costs and benefits associated with reproduction. Men typically value youth and physical attractiveness in a potential mate because these traits are cues to fertility. On the other hand, women tend to prioritize status and resources in a partner, as these are indicators of a man's ability to provide for offspring. These mate preferences are thought to have evolved because they incr...
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