Permafrost condition is a characteristic of which biome
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One unique characteristic of the Arctic tundra is permafrost--ground that is permanently frozen. Because the permafrost has no cracks or pores, nothing can penetrate it--neither plant roots nor water. The surface layer above the permafrost thaws each summer. This layer is called the active layer.
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Answer:
Tundra biomes
Explanation:
- Tundra biomes are known for their permafrost conditions.
- Because of the extreme cold, there is a layer of permanently frozen ground beneath the surface known as permafrost.
- The ground's constant sub-zero temperature keeps the soil frozen. Summers may induce only a temporary thawing of the surface layer.
- It is found across the Arctic regions of the northern hemisphere, north of the subarctic boreal forests.
- The soils of the tundra may remain permanently frozen, a condition known as permafrost.
- Roots are unable to penetrate deep into the soil, which inhibits the breakdown of organic materials. The arctic tundra receives very little annual precipitation.
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