In a tundra ecosystem, the carrying capacity for arctic hares is about 400 individuals. Which of these events is most likely to reduce the carrying capacity for arctic hares in the ecosystem by at least 25 percent? A. a severe storm that kills about 100 adult and young arctic hares
B. a 25 percent decrease in the populations of foxes, wolves, or other predators of arctic hares
C. the arrival in the ecosystem of a species that competes with the arctic hare for its food
D. a temporary increase in the arctic hare population to more than 425 individuals