| A | B |
|---|
| population density | number of individuals per area |
| immigration | movement into an area |
| emmigration | movement away from an area |
| expontential growth | population reproduce at a constant rate |
| logistic growth | population slows or stops after an exp. growth |
| limiting factor | what causes a population to decrease |
| density-dependent limiting factor | becomes limiting only when the population reaches a certain level |
| predator-prey relationship | regulation of a population |
| density dependent factor | various situations or factors that limit or crash a population |
| demography | characteristics of a population's change factors |
| demographic transition | a dramatic change in birth or death rates |
| age-structure diagrams | population profiles |
