Furthermore, in the intrasexual selection, males fight with other males and chase them away from the site while in the intersexual selection, males show traits and behavioural patterns to attract females.īelow tabulation summarizes the differences between intrasexual and intersexual selection. So, this is the key difference between intrasexual and intersexual selection. In contrast, the intersexual selection is a type of sexual selection which occurs between sexes as a result of interactions between males and females. Intrasexual selection is a major type of sexual selection in which the completion between the members of the same sex occurs when selecting mates. What is the Difference Between Intrasexual and Intersexual Selection? Both intersexual and intrasexual selection influence the development of sexually selected traits in numerous species.Both types of sexual selection pass good genes to the next generation.Intrasexual and intersexual selection are two types of sexual selection.What are the Similarities Between Intrasexual and Intersexual Selection? One sex, especially males, shows traits or behavioural patterns to attract the opposite sex (females). Therefore, the intersexual selection is a result of interactions between males and females. In other words, the intersexual selection is the sexual selection that occurs when the members of one sex (usually females) choose members of the opposite sex. Intersexual selection is the sexual selection that occurs between two sexes. Therefore, it is a mode of natural selection. This mode of sexual selection ensures the getting of good genetic material to offspring. Moreover, male deers and horned beetles fight with the members of their same sex for mating with females nearby. This male primate can mate and pass its genetic material to the offspring. A strong large, aggressive male primate tries to keep other male primates away from the females so that he can be their primary mate. The competition seen in male primates is a form of intrasexual selection. It usually involves competition between males to mate with females. Intrasexual selection is the sexual selection that occurs between the members of the same sex to access mates. Side by Side Comparison – Intrasexual vs Intersexual Selection in Tabular FormĦ. Similarities Between Intrasexual and Intersexual Selectionĥ. In contrast, the intrasexual selection is the competition between members of the same sex to access mates. Intersexual selection is an interaction between two sexes where the members of one sex choose the members of the opposite sex. Intersexual selection and intrasexual selection are two different types of sexual selection. Sexual selection is a mode of natural selection which determines mating pairs and the genes passing to offspring. The key difference between intrasexual and intersexual selection is that intrasexual selection refers to sexual selection within the members of the same sex to access mates while intersexual selection refers to sexual selection which occurs between two sexes when members of one sex choose the members of the opposite sex.
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