In an ecosystem where most flowers are long and bell-shaped, there are two varieties of hummingbird: birds with short beaks and birds with long beaks. What is the most likely hummingbird population composition? (1 point)
A. only short-beaked hummingbirds
B. more long-beaked hummingbirds
C. only long-beaked hummingbirds
D. more short-beaked hummingbirds