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Sigma KEE - Tundra
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Tundra
Tundra
is a subclass of flat, treeless
Plain
s areas lying within the
ArcticRegion
. Subsoil in
Tundra
is permanently frozen.
Relationships
Parents
Biome
Biome
is the class of
GeographicArea
s representing major kinds of ecological communities, that is, areas in which certain kinds of plants, animals, weather, and terrain interact to produce and support a distinctive ecosystem.
Plain
A
Plain
is a broad, flat or gently rolling area, usually low in elevation.
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Sigma version 3.0 is
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