A team of ecologists is tracking mountain lions throughout California. They count 4543 mountain lions in the entire state. The area of California is 423,970 km^2.
What is the population density of mountain lions per 250 km^2 in California?
A. About 3 mountain lions per 250 km^2.
B. About 10 mountain lions per 250 km^2.
C. About 5 mountain lions per 250 km^2.
D. About 1 mountain lion per 250 km^2.
Population density = population / area
4543 lion / (423970/250 km^2) = 2.68 ~~ 3 lion/250km^2