The study of the allele frequency distribution and change under the influence of the four evolutionary processes: natural selection, genetic drift, mutation and gene flow.

(physics) The creation of a system in which more atoms or molecules are in an excited state than in a ground state.

The general public. / The main body of inmates in a prison, excluding those being detained in solitary confinement, protective custody, a medical wing or on death row.

plural of general population

plural of population inversion

plural of population mean

One who studies population biology.

plural of population biologist

(biology, ecology) The study of populations of organisms, especially the growth and regulation of population sizes and genetics, and the effects of interactions between species.

plural of population density