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Arctic Tundra (Characteristics (soil is anaerobic (Decay is slow so…

- - - - Lichens
      - Shallow-rooted, low-growing plants
    - - permafrost lies under the thawed layer
        
        And under this is frozen soil as much as 500 meters thick
        
        Acts as a barrier that prevents drainage
        
        Organic matter from permafrost make this biome the Earth's greatest storer of Carbon