- population pyramid
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a graph showing the distribution of a population by sex, age, etc.[1945-50]
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Universalium. 2010.
population pyramid
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Population pyramid — This distribution is named for the frequently pyramidal shape of its graph. A population pyramid, also called an age structure diagram, is a graphical illustration that shows the distribution of various age groups in a population (typically that… … Wikipedia
population pyramid — A diagram that illustrates the distribution of a population by age. The youngest and most numerous age group forms a rectangle at the base of the pyramid; the oldest and least numerous is a small rectangle at its apex … Big dictionary of business and management
population pyramid — /pɒpjəˈleɪʃən pɪrəmɪd/ (say popyuh layshuhn piruhmid) noun a diagram showing the age and sex distribution, and sometimes other features, of a particular population, usually in the form of a horizontal bar graph, the bars representing age… …
population pyramid — Sociol. a graph showing the distribution of a population by sex, age, etc. [1945 50] … Useful english dictionary
Population density — (people per km2) by country, 2006 … Wikipedia
Population decline — can refer to the decline in population of any organism, but this article refers to population decline in humans. It is a term usually used to describe any great reduction in a human population.[1] It can be used to refer to long term demographic… … Wikipedia
Population bottleneck — followed by recovery or extinction A population bottleneck (or genetic bottleneck) is an evolutionary event in which a significant percentage of a population or species is killed or otherwise prevented from reproducing.[1] A slightly different… … Wikipedia
Population growth — is the change in population over time, and can be quantified as the change in the number of individuals in a population using per unit time for measurement. The term population growth can technically refer to any species, but almost always refers … Wikipedia
Population Matters — Founder(s) David Willey Founded 1991 Location United Kingdom Key people … Wikipedia
Population structure — may refer to many aspects of population ecology:* Population stratification * Population pyramid * Age class structure * F statistics * Population density * Population distribution * Population dynamics and population growth * Population genetics … Wikipedia
