A population of crickets in Hawaii exhibits an allele that changes the shape of its wings so that they cannot chirp. Chirping crickets are targeted by parasitic wasps that eventually kill the cricket, but nonchirping crickets have trouble finding their mates. This is an example of

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Quizplus · Accepted Answer

This scenario describes an ecological trade-off where the allele that prevents crickets from chirping provides a benefit (survival from parasitic wasps) but also comes with a cost (difficulty finding mates). This trade-off ultimately affects the fitness and survival of the population. The other options are not appropriate because there is no indication of a barrier to reproduction or the development of a new species.

A Population of Crickets in Hawaii Exhibits an Allele That