| Definition | Concept | Examples or further explanation |
| Number of deaths per individual | |
| natural selection that favors more efficient utilization of resources | |
| per capita birth rate - per capita death rate | |
| A population which is dispersed sporadically across an area | |
| Length of time from birth to first reproduction | |
| Number of births per individual | |
| the adaptations of an organism that influence aspects of its biology | |
| population growth that produces a J-shaped pattern of increase. | |
| reproduction that involves production of an organism's offspring in two or more events generally spaced out over the organisms lifetime | |
| nautral selection favoring higher population growth rate | |
| individuals of more than one generation living together, cooperative care of young, division of individuals into reproductive and nonreproductive castes | |
| average number of offspring produced by an individual in a population | |