Extinct:A species no longer found anywhere.
Endangered: A species that is close to extinction in a significantly large location.
Extirpated: A species that no longer exists in one area but can be found in other areas.
Threatened:A species that is likely to become endangered if it's vulnerable factors are not reversed.
Vulnerable:A species that is at risk because of low or declining numbers at the fringe of its range
Wednesday, June 2, 2010
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