| A | B |
|---|
| emmigration | movement out of an area |
| immigration | movement into an area |
| biotic potential | rate at which a population would grow if every new individual survives and reproduces |
| population | group of same species in an area |
| J curve | used to show biotic potential |
| environmental resistance | all the factors that limit population growth |
| limiting resources | the resources that limit the growth of a population |
| carrying capacity | the maximum population size an environment can support |
| S curve | graph to show carrying capacity |
| agricultural revolution | the change from hunter/gatherers to agriculture |
| environmental refugees | people driven from their homes by severe environmental damage |
| developed countries | highly industrialized countries with high incomes and high standards of living |
| developing countries | less industrialized countries in which the average income and standard of living are low |
| urban crisis | flood of new residents overwhelm the city, and people end up on the streets |
| demography | the study of human population patterns |
