Which of the following statements is the most appropriate example of character displacement?
1
Two related species depending on the same prey species avoid competition by feeding at different times of the day.
2
The body sizes of two related species are very similar when they are allopatric, but in geographical areas of sympatry, one species is significantly smaller than the other.
3
The food niche of a species is generally wider in the absence of competing species than in their presence.
4
Closely related species can coexist if their densities are regulated by a predator.