We are not a monogamous species how intrasexual

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we are NOT a monogamous species How intrasexual competition alters male behavior 3 types of adaptions that play a role in altering male behavior (on slide) Adaptations that play a role in competition to secure a mate: dominant behavior 2 types of dominant behavior: low threshold for mating attempts o Sperm-producing sex have lower threshold than females (they have higher threshold, rather not have sex that often) Excluding males from access to females Low threshold for mating attempts Perceptual biases towards receptivity signals are selected for Porn has receptivity signals When male and female watch pornography they are not having reproductive sex
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Sperm-producing sex is most interest in looking at it Excluding males from access to females: Excluding males from the vicinity of sexually active females Male dispersal from home : we have evolved that males leave home at/around puberty as a mechanism so father/son don’t compete for access to mother (father-son conflict) Excluding males from clubs, neighborhoods, tribal groups if they don’t bring females Excluding males from “harems” a ruler who would “own” or claim to a group/harem of females, would restrict access of other males to females Excluding males from positions of high status in multimale groups Excluding males from areas with useful resources that are attractive to females Display sites that are attractive to females Submissive behavior and the postponement of reproductive attempts Ensuring copulation results in pregnancy Mate guarding Sample mate guarding tactics Lowering the reproductive success of competitor
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