What does a population mean?
Population
population is the number of all the organisms of the same group or species, which live in a particular geographical area, and have the capability of interbreeding
In biology, a population is the number of all the organisms of the same group or species, which live in a particular geographical area, and have the capability of interbreeding.[1][2] The area of a sexual population is the area where inter-breeding is potentially possible between any pair within the area, and where the probability of interbreeding is greater than the probability of cross-breeding with individuals from other areas.[3]