| A | B |
|---|
| Carrying Capacity | Largest amount of something that can live in one area. |
| Density-dependent Factor | Things that affect groups based on their size. |
| Density-independent factor | Things that affect all groups equally. |
| Dispersion | How organisms spread out in an environment. |
| Emigration | Oganisms that leave or exit a group. |
| Immigration | Organisms that are coming into a group. |
| Population density | How many organisms live in one area. |
| Population Growth | Change in the number of organisms that live in an area. |
| Age Structure | A group of organisms broken into old, middle, and young- based on reproduction. |
| Demographic transition | When a group changes which age range has the most people. |
| Demography | Study of human population. |
| Zero population growth | When births and deaths are equal- population stays the same. |
