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Populations
| Logistic | growth |
| Birth rate | rate of births |
| Death rate | rate of deaths |
| Growth rate | Birth rate - Death rate |
| Life expectancy | how long you live |
| Dynamics | change |
| Type I | die old |
| Type II | die any age |
| Type III | most die |
| Dispersion | how individuals are arranged |
| Density | how crowded a population is |
| Exponential | lots of growth |
| Carrying capacity | reaches a limit; logistic |
| Age structure | graph showing the distribution at different ages |
| Uniform | evenly spaced |
| Random | no pattern |
| Clumped | in a group |
| Size | number of individuals |