Many Flowering Plant Species Are Pollinated by a Single Species

Multiple Choice

Many flowering plant species are pollinated by a single species. The evolution of specialist pollinators is the result of:

A) low pollinator diversity in the community.
B) colonization of the community at the same time by both the pollinator and the flowering plant.
C) coevolution between the flowering plant and pollinator.
D) local extinction of other pollinators.