Total number of individuals of a species per unti area and per unit time is called

Options

A. population size
B. population density
C. demography
D. population dynamics

Answer

B

Explanation

Population density is the number of individuals present per unti area or volume at a given time. If the total number of individuals is represented by letter N and the number of units of space (area for land organisms and volume for water organisms) by letter S, then the population density D can be represented as `D = N//S`. For instance, number of animals per square kilometre, number of trees per acre in a forest, etc.