A Researcher Observes That Female Dogs Engage in Sexual Activity

A researcher observes that female dogs engage in sexual activity only when she is in heat by allowing the male dog to mount her.The same researcher also observes that female monkeys engage in sexual activity with male monkeys and by rubbing their own genitals.What do these behaviours suggest in terms of animal sexual behaviour? A)Monkeys masturbate but dogs do not. B)Mounting is the only sexual behavior observed in dogs. C)Lower-order species' sexual behavior is driven by sex hormones. D)Higher-order species' sexual behavior is driven by sex hormones.