| A | B |
| carrying capacity | the number of individual organisms an environment can support |
| demographic transition | population growth patterns for now-developed countries |
| indicators | factors which show a trend |
| density | number of individuals per area or volume |
| population dispersion | how individuals are distribuated or grouped in an environment |
| resource consumption | use of available factors in an environment such as water, producers, or animals |
| J-curve | graph which shows exponential growth in which growth rises quickly |
| population size | total number of individuals in a population |
| age structure | number of individuals at each age |
| survivorship | how mortality (deaths) of individuals vary in a lifetime |
| growth rate formula | Rate = births - deaths/Number |