what determines whether a population grows or shrinks
Population density is the number of individuals per unit area. Population distribution is how individuals are spaced out in their range. Growth rate determines whether a population grows, shrinks, or stays the same size. Age structure is the number of males and females of each age in a population. Population Growth Populations can grow, shrink, or stay the same size. Factors that increase population size include births and immigration, which is the movement of individuals into an area.