Question

159- what are the four factors of population size? _____, ___, ___, _____

Explanation:

The question is about population size factors, which falls under Biology (a subfield of Natural Science) as it relates to population ecology. The four factors affecting population size are birth rate, death rate, immigration, and emigration. Birth rate is the number of births in a population, death rate is the number of deaths, immigration is the movement of individuals into a population, and emigration is the movement out of a population. These factors determine how a population's size changes over time.

Answer:

The four factors of population size are birth rate, death rate, immigration, emigration.