The Next Series of Questions Presumes That You Have at Least

Multiple Choice

The next series of questions presumes that you have at least once visited and have some knowledge of the fast-food restaurant McDonald's. Use your knowledge of McDonald's and your understanding of community ecology to answer the following questions about an ecological community, McDonaldland.
-Which of the following would be considered a keystone species in McDonaldland?

A) Big Mac
B) Large French Fries
C) Premium Caesar Salad with Crispy Chicken
D) Filet-O-Fish
E) Chicken McNuggets