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Discuss the relationship between sexual selection and human reproductive behavior There are two consequences of anisogamy, intrasexual selection and intersexual selection. Intrasexual selection refers to the suggestion that males will compete amongst each other to mate with females. This results in some males proving their fitness and health over others, and therefore those males that emerge as winners of this intrasexual competition are more likely to be selected by females for mating. Size dimorphism is evidence of intrasecual selection and refers to the difference in size between male and females. Dimorphism is evidence of intrasexual selection and polygyny as it suggests that a makes fight for access to females. Dimorphism is not pronounced, which means polygyny is limited. Alpha males and sneak copulation are also evidence of intrasexual selection. The fact that males compete for dominance is supported by nonhuman animal hierarchies, which show that less dominant males engage in secretive copulation...

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