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Which statement best explains why the mating behavior of the female crickets changed following the arrival of parasitic flies on Kauai?

A. There was decreased competition for mates among female crickets.

B. The cricket populations increased, creating more mating opportunities.

C. Flat wing (non-chirping) males were better able to survive to reproduce.

D. The mating preference of male crickets shifted to textured wing (chirping) females.

Answer :

Final answer:

The mating behavior of female crickets changed due to the arrival of parasitic flies, making chirping males more vulnerable. Consequently, female crickets began preferring flat wing (nonchirping) males to enhance their reproductive success. This exemplifies how environmental factors can influence mating preferences through natural selection.


Explanation:

Understanding the Mating Behavior of Female Crickets

The arrival of parasitic flies on Kauai significantly impacted the mating behavior of female crickets. One key reason for the changes in behavior was the emergence of flat wing (nonchirping) males, which had a survival advantage over the chirping males. Parasitic flies are attracted to the sound of chirping, making it a disadvantage for chirping males. As a result, females began to prefer flat wing males, ultimately leading to a shift in mating preferences.

This shift illustrates how natural selection and environmental changes can influence mating preferences within a population. In this context, the female crickets changed their mating behavior as an adaptive response to enhance their reproductive success in the presence of new parasites.


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