The parallel line of latitude that circumscribes the polar tundra zone is the Arctic Circle in the Northern Hemisphere and the Antarctic Circle in the Southern Hemisphere. These circles mark the approximate southern and northern boundaries of the tundra biome where the cold climate and limited vegetation characteristic of tundra regions are found.
Tundra
Permanent Polar Desert.
Polar Bears
the tundra
Antarctica is polar. It is a desert. It is not tundra, nor is it a prairie.
arctic, tundra,polar, sub-polar, costal wetlands
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Tundra and Polar
tundra
lichen
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