AP BIOLOGY

Detailed explanation-1: -Treeless tundra is found in the north of Russia, generally above the Arctic Circle. In European Russia, it occupies limited space on Kola Peninsula and in the Arkhangelsk and Komi regions along the coast. In Siberia, the most extensive tundra is found on Yamal, Taymyr, and Chukotka Peninsulas.

Detailed explanation-2: -Tundra. Nearly one-tenth of Russian territory is tundra, a treeless, marshy plain. Occupying a narrow coastal belt in the extreme north of the European Plain, the tundra widens to a maximum of about 300 miles (500 km) in Siberia.

Detailed explanation-3: -The Northeast Siberian coastal tundra ecoregion (WWF ID: PA1107) is an ecoregion that covers the coastal plain of the central north region of Siberia in Russia.

Detailed explanation-4: -Arctic tundra are found on high-latitude landmasses, above the Arctic Circle-in Alaska, Canada, Russia, Greenland, Iceland, and Scandinavia, for example-or on far southern regions, like Antarctica. Alpine tundra are located at very high elevations atop mountains, where overnight temperatures fall below freezing.

Detailed explanation-5: -The northernmost continental land in the world, the Taimyr-Central Siberian Tundra ecoregion is a vast area of pristine polar desert, mountain and lowland tundra, rich wetlands and larch forests.