Two species of Drosophila have been competing in the lab for a long time. A researcher notes that over the course of time, the competition coefficients of these species have become smaller. What is the most likely explanation of this change?

Question

Quizplus · Accepted Answer

Character displacement occurs when species evolve differences to reduce competition, leading to smaller competition coefficients over time.

Two Species of Drosophila Have Been Competing in the Lab