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"selfish" meaning that promotes its own survival without necessarily promoting the survival of the organism, group or even species.
Genes can reproduce at the expense of the organismThere are other times when the implicit interests of the vehicle and replicator are in conflict, such as the genes behind certain male spiders' instinctive mating behaviour, which increase the organism's inclusive fitness by allowing it to reproduce, but shorten its life by exposing it to the risk of being eaten by the cannibalistic female.
The Bonobo, which has a peaceful, egalitarian and matriarchal society, is a fully bisexual species — both males and females engage in sexual behaviour with the same and the opposite sex, with females being particularly noted for engaging in sexual behaviour with each other and at up to 75% of sexual activity being bisexual. Bonobos often use sexual activity to prevent violence and conflict.