Bluebirds, beetles, wood ducks, squirrels, and owls all will nest in holes in hollow trees. A food web that includes these animals is shown.

If many hollow trees were removed from the area, which would MOST likely increase?

a. competition for food between beetles and squirrels

b. competition for food between squirrels and owls

c. competition for nest sites between beetles and owls

d. competition for nest sites between bluebirds and wood ducks