A species whose role is absolutely vital for the survival of many other species in an ecosystem is called a(n)

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     pivotal species.
      critical species.
      invaluable species.
      kingpin species.
asked Jun 25, 2012 in Environmental Science by anonymous
    

1 Answer

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keystone species.
answered Jun 26, 2012 by Geodude ~Top Expert~ (9,680 points)

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