[Solved] An oligopoly can be characterized by production of either identical goods or differentiated goods. Sexual Attraction: The feeling of finding someone sexually appealing, leading to a desire for sexual interaction with them. Mature and Affluent: Describes individuals or demographics that are both financially well-off and have reached a stage of emotional and mental development. Natural Selection: A process in evolutionary biology where organisms better adapted to their environment tend to survive and produce more offspring, driving evolutionary change. Erotic Plasticity: The degree to which an individual's sex drive can be changed by cultural, social, and situational factors.