The term sexual selection refers to the selective pressures that each sex within a species exerts on the other, usually resulting in competition between animals of the same sex. It is a concept that has a large impact on evolution, for traits that favor success in sexual selection are more likely to be passed on. Sexual selection can be either intrasexual or intersexual. Intrasexual selection refers to same-sex competition. Intersexual selection, however, refers to cross-sex attractiveness. Factors involved with female mate choice in antelopes, for example, would fall under intersexual selection. In antelopes, there are several physical traits found the males th
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