When the members of one population do not breed at the same time of the year as the members of another population it is called `:`

Members of a population

Members of a population

Why the members of a population do not breed with other populations ?

A group of individuals of the same age within a population is called :

Individuals of one population can interbreed with individuals of another population if they belong to same

The rate of growth of a population is proportional to the number present if the population of a city doubled in the past 25 years,and the present population is 100000, when will the city have a population of 500000?

If the rate of increase in population of is r% per year, the population after t years is p, Find the population that was t years before.