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19.1 terms

TermDefinition
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
birth rate the number of births that occur in a period of time in a given area
death rate the number of deaths that occur in a period of time in a given area
dispersion in ecology, the pattern of distribution of organisms in a population
life expectancy the average length of time an individual is expected to live
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
survivorship curve a graph of the mortality data of a population; indicates the probability that individuals will survive to a given age
Created by: Addaleigh
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