| A | B |
|---|
| Population | A group of individuals of the same species living and interbreeding in a given area |
| Density | The number of individuals per unit area |
| Mark-recapture | A method of estimating population numbers |
| Clumped | Individuals are spread through the area in groups (ex. Prairie dogs) |
| Uniform | Individuals are dispersed in a regular pattern (ex. Nesting birds, planted trees) |
| Random | Individuals occupy the are with no discernible pattern or grouping |
| Logistic growth | A population growth curve that levels off at carrying capacity |
| Exponentiail growth | A J-shaped growth curve |
| Carrying capacity | K - the number of individuals of a given species that an area can support |
| Doubling time | 70/population growth rate |
| Thomas Malthus | Economist who made predictions about human populations |
| Post-Industrial | The last stage of the demographic transition, where small families are preferred |
