Hawthorn maggot flies that breed on native hawthorns or introduced European apples can mate in the lab,but rarely mate in the wild.This is an example of ____ reproductive isolation.

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This is an example of prezygotic reproductive isolation, which occurs before fertilization can take place. In this case, the flies do not mate in the wild due to differences in breeding preferences or behaviors, even though they are capable of mating in a lab setting. This type of isolation prevents the formation of hybrid offspring and helps maintain species boundaries.

Hawthorn Maggot Flies That Breed on Native Hawthorns or Introduced