| A | B |
|---|
| geographic distribution | area inhabited by a population |
| population density | number of individuals per unit area |
| immigration | movement of individuals into an area |
| emigration | movement of individuals out of an area |
| exponential growth | individuals in a population reproduce at a constantrate |
| logistic growth | populations growth stops or slows down after a period of exponential growth |
| carrying capacity | largest number of individuals a population can support |
| density dependent | a limiting factor that depends on population size |
| density independent | limiting factors that affect all populations regardless of size |
| demography | study of human populations |
| growth rate | increase or decrease of the number of individuals over time |
| forest fire | example of a density independent limiting factor |
| predator prey relationship | example of density dependent limiting factor |
| dramographic transition | dramatic change in birth and death rates |
| age structure diagrams | type of diagram used to predict future growth |
