Population biology

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Population Biology

Population biology (pronunciation: /pɒpjʊˈleɪʃən baɪˈɒlədʒi/) is a sub-discipline of biology that deals with the study of populations in relation to their environment, including population density and distribution, population size, and species interactions.

Etymology

The term "population biology" is derived from the Latin populus meaning "people" and the Greek bios meaning "life". It was first used in the mid-20th century to describe the study of populations in their natural environment.

Related Terms

  • Population genetics: A subfield of population biology that deals with genetic differences within and between populations.
  • Ecology: The branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
  • Evolutionary biology: The study of the origins and changes in the diversity of life over time.
  • Biodiversity: The variety of life in the world or in a particular habitat or ecosystem.
  • Species: The basic unit of biological classification and a taxonomic rank.

See Also

External links

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