Monogamy is the custom or condition of having only one mate in a relationship, thus forming a couple. The word monogamy comes from the Greek word monos, which means one or alone, and the Greek word gamos, which means marriage or union. Serial monogamy is having no more than one sexual partner at a time but allows for multiple partners in a lifetime. In western culture serial monogamy is common; evidence of this is high divorce rates. Animals Mating system Monogamy is one of several mating syste… (More on Monogamy)