Prostitution is commonly analyzed through legal, moral, or economic frameworks, yet rarely examined as a product of long-term evolutionary dynamics. This article proposes that the emergence of prostitution in Homo sapiens reflects not an isolated social pathology, but a structural consequence of deep anatomical and symbolic transformations. Drawing on evolutionary anthropology, sexual selection theory, and symbolic analysis, we argue that the human capacity to commodify sexual meaning is rooted in a distinctive evolutionary shift: the adoption of bipedalism and the resulting concealment of female genitalia. This shift led to the relocation of sexual signals to the front of the body—breasts, buttocks, facial expressions—creating a semiotic surface that is permanent, interpretable, and decoupled from reproductive timing. As a result, human sexuality became continuous, frontal, and available for symbolic display. In this context, prostitution is not a biological anomaly but an extreme expression of symbolic plasticity: a reconfiguration of sexual signaling shaped by exclusion, abstraction, and the commodification of meaning. Rather than pathologizing the phenomenon, this article situates prostitution within the broader evolutionary trajectory that gave rise to symbolic embodiment, affective cooperation, and cultural exchange.
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