Which of the following is an example of frequency-dependent

Last updated: 7/9/2022

Which of the following is an example of frequency-dependent selection? A. Evolution of mouth-position in the Lake Tanganyika cichlid fish, Perissodus microlepis. B. Evolution of beak size in the soapberry bug of Florida C. Evolution of "Tube Mozzie" mosquitos during WWII in the London Undergound. D. Evolution of beak size in Geospize fortis due to a drought in 1977.