According to the $1991$ census,the population density of Madhya Pradesh is:

List any three important characteristics of a population and explain.

If natality rate is parallel to mortality rate,then the population:

Read the given statements carefully and select the correct ones:
$(1)$ Individuals of the same species together form a population.
$(2)$ Mortality is an important factor for population growth.
$(3)$ Natality (birth rate) is an important factor for the immediate increase in population size.
$(4)$ In commensalism,both organisms benefit from the interaction.

Factors related to increase in population density are $:-$

Natality refers to.