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populations' - 2 dictionary results
pop·u·la·tion     (pŏp'yə-lā'shən)  Pronunciation Key 
n.  
    1. All of the people inhabiting a specified area.
    2. The total number of such people.
  1. The total number of inhabitants constituting a particular race, class, or group in a specified area.
  2. The act or process of furnishing with inhabitants.
  3. Ecology All the organisms that constitute a specific group or occur in a specified habitat.
  4. Statistics The set of individuals, items, or data from which a statistical sample is taken. Also called universe.
population   (pŏp'yə-lā'shən)  Pronunciation Key 
A group of individuals of the same species occupying a particular geographic area. Populations may be relatively small and closed, as on an island or in a valley, or they may be more diffuse and without a clear boundary between them and a neighboring population of the same species. For species that reproduce sexually, the members of a population interbreed either exclusively with members of their own population or, where populations intergrade, to a greater degree than with members of other populations. See also deme.

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