Question

population density is determined by which two factors?
a population number and population density
b population number and population dispersion
c population number and population dynamics
d population number and area size

Explanation:

Population density is calculated as the number of individuals in a population divided by the area they occupy. So it depends on population number (the numerator) and area size (the denominator). Option A is incorrect as it repeats population density. Option B, population dispersion, refers to how individuals are spread out in an area, not the calculation of density. Option C, population dynamics, is about changes in population over time, not density determination.

Answer:

D. Population number and area size