Answer:
Population Dynamic
Explanation:
The population dynamic refers to the study of the magnitude and the age of a population in a particular dynamic system. It determines the growing and shrinkage of an existing population over a definite period of time and the factors that are responsible for these changes.
The change in population density is given by,
Population density change=(Births + Immigration) - (Deaths + Emigration), where the events namely birth, immigration, death and emigration directly affects the population density.
