At least two host races of apple maggots have appeared within the past 150 years, suggesting they may be undergoing ____.
A) adaptive radiation
B) allopatric speciation
C) sympatric speciation
D) genetic drift
E) development of a hybrid zone

Question

Quizplus · Accepted Answer

Sympatric speciation is the process through which new species evolve from a single ancestral species while inhabiting the same geographic region. The emergence of host races of apple maggots within the same area (without geographical isolation) suggests they are undergoing sympatric speciation, as they adapt to different food sources (e.g., different types of fruits) within the same environment.

At Least Two Host Races of Apple Maggots Have Appeared