The unchecked reproductive capacity in a population is called ..........

$A$ population is said to achieve demographic transition, if

An organization formed by individuals of the same species is called.....

Identify the incorrect statement regarding the characteristics of a population.

$(a)$ Label the three tiers $1, 2, 3$ given in the above age pyramid.
$(b)$ What type of population growth is represented by the above age pyramid?

The shape of the pyramids reflects the growth status of the population. Identify the type of age pyramid represented below for human population.