GMAT Critical Reasoning (CR) | Re: Natural Mate Selection

Naturalist: One of the most powerful forces of natural selection is that exercised by individuals in choosing a mate. Among most insects and vertebrates, males do the courting and females do the choosing. This division of labor makes sense. Sperm are less costly, energetically speaking, than eggs and are always more abundant. All other factors being equal, therefore, a male optimizes his contribution to the gene pool by mating as frequently as possible. On the other hand, a female seeks quality—often