A population of finches contains individuals with beaks that range from small to large. Finches with larger beaks can more easily break shells and extract food in times of stress. If the environment becomes very dry and most plants (food) die, then there will be __________.
A. no change in the percentages of finches with large and small beaks
B. more finches with smaller beaks
C. an increase in all types of finches
D. more finches with larger beaks
Answer:D
A population of finches contains individuals with beaks that range from small to large. Finches with larger beaks can more easily break shells and extract food in times of stress. If the environment becomes very dry and most plants (food) die, then there will be __________.
A. no change in the percentages of finches with large and small beaks B. more finches with smaller beaks C. an increase in all types of finches D. more finches with larger beaks