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MB 19.1
MB Chapter 19, Section 1
| Term | Definition |
|---|---|
| population | a group of organisms of the same species that live in a specific geographical area and interbreed |
| population density | the number of individuals of the same species that live in a given unit of area |
| dispersion | in ecology, the pattern of distribution of organisms in a population |
| birth rate | the number of births that occur in a period of time in a given area |
| death rate | the number of deaths occurring in a period of time |
| life expectancy | the average length of time that an individual is expected to live |
| age structure | the classification of members of a population into groups according to age or the distribution of members of a population in terms of age groups |
| survivorship curve | a curve on a graph that shows the probability that members of a population will survive to a certain age |
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simmonsr20