The prime driver of sexual selection is competition between males for mates.

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Sexual selection is the process by which certain traits become more prevalent in a population due to their association with higher mating success. One of the primary drivers of sexual selection is competition between males for mates. This can take many forms, such as physical combat or displays of strength, agility, or attractiveness. By demonstrating their prowess in these areas, males may be more likely to win the attention and affections of females, leading to greater reproductive success and the spread of their genes within the population. Therefore, the prime driver of sexual selection is indeed competition between males for mates.

The Prime Driver of Sexual Selection Is Competition Between Males