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unit of population

См. также в других словарях:

  • Population density — (people per km2) by country, 2006 …   Wikipedia

  • Unit 731 — The Unit 731 complex Location Pingfang Coordinates …   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

  • Unit of selection — A unit of selection is a biological entity within the hierarchy of biological organisation (e.g. genes, cells, individuals, groups, species) that is subject to natural selection. For several decades there has been intense debate among… …   Wikipedia

  • Population inversion — In physics, specifically statistical mechanics, a population inversion occurs when a system (such as a group of atoms or molecules) exists in state with more members in an excited state than in lower energy states. The concept is of fundamental… …   Wikipedia

  • Population canadienne — Canada Pour les articles homonymes, voir Canada (homonymie).  Pour l’article homophone, voir Kannada …   Wikipédia en Français

  • Population Studies Center at the University of Michigan — The Population Studies Center is one of the oldest demography centers in the United States, with a distinguished record in both domestic and international population research and training. Introduction and Activities The University of Michigan s… …   Wikipedia

  • population density — Number of cells or individuals per unit. The unit could be an area, or a volume of medium …   Glossary of Biotechnology

  • unit stock — a population of fish, either of one or a number of species, grouped together for assessment purposes which may or may not include all the fish in a stock. The fish occupy a particular area and live independently of other populations of the… …   Dictionary of ichthyology

  • population density — The number of a group of individuals as to unit area or volume …   Dictionary of invertebrate zoology

  • population density —   number of people per unit area, usually people per square kilometre …   Geography glossary

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