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What biome has the most extreme conditions?

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4 votes
°Arctic Region at the north and south poles
°Located above 60o North and South latitudes
°Arid (for the reasons described in the section on climate)
°Bitterly cold temperatures
°Day length varies tremendously, with 24 hour daylight or night at the respective solstices.
°Low animal diversity
°Most photosynthetic organisms are marine, and most sun energy is captured in the water.
°Some typical vertebrates you might find here: penguins (Antarctic only-no penguins in the North)seals, walruses, whales of various species, polar bear.

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