If the mean and the median pertaining to a certain character of a population are of the same value,the following is most likely to occur:

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

At one time,the number of cheetahs in a habitat is $80$. Their birth rate is $4$ and death rate is $2$. Among them,$6$ cheetahs are internal migrants (immigration) and $3$ cheetahs are migratory (emigration). Calculate the population density of cheetahs in that habitat.

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

Define/Explain: Age composition.

Which formula is used to calculate population density?