Some species of Drosophila have elaborate "picture wings," whereas most others do not.Which type of evidence would most likely suggest that the elaborate picture wings evolved via convergent evolution?
A) All species with picture wings form a single clade.
B) Picture wings are found in different clades of flies.
C) Flies with picture wings evolve faster than those without picture wings.
D) Having elaborate picture wings is the ancestral state.
E) Species of flies with picture wings evolve in accordance with the molecular clock.

Question

Quizplus · Accepted Answer

If picture wings are found in different clades of flies, it suggests that the feature evolved independently multiple times, which is a hallmark of convergent evolution. Option A would suggest monophyly, ruling out convergent evolution. Options C, D, and E do not directly address the evolution of picture wings via convergent evolution.

Some Species of Drosophila Have Elaborate "Picture Wings," Whereas Most