Density of a population in a given habitat during a given period fluctuates due to change in 4 basic processes - Natality, Mortality, Immigration and Emigration.
(A) Differentiate between natality and mortality.

Density of a population in a given habitat during a given period fluctuates due to change in 4 basic processes - Natality, Mortality, Immigration and Emigration. (B) Differentiate between Immigration and Emigration.

The density of a population in a given habitat increases or decreases due to different reasons. Name two factors responsible for increase in population in a given area.

Fill up the blank suitably. Mortality : No. of deaths in the population during a given period. ………. : No. of births in the population during a given period.