Which of the following is an accurate description of the climate and vegetation in the tundra? a. hot with prairie grasses c. hot with mosses and lichens b. cold with mosses and lichens d. cold with prairie grasses

The correct answer is B. Tundras are cold with mosses and lichens.

Explanation:

The tundra is one of the main ecosystems or biomes on earth. Tundras are the treeless areas north and south of the polar forest border. In addition, there are alpine tundra above the forest boundary. There is very little tundra in the southern hemisphere because there is little land on the relevant latitudes. Most of the tundra is located in Russia, Canada and Alaska.

The tundra is conventionally the area of vegetation north of the boundary of tree growths and the south of the polar desert. By definition their limits coincide with the isotherm of July from 2 ° C to the north and 12 ° C to the south. The tundra covers 7,340,000 km² and represents 10% of the Earth's surface.

The tundra has a weak biomass and less biodiversity than other biomes. There are around 250,000 vascular plants around the world. To the south of the tundra there are only 500 species that still diminish more and more towards the north and the islands.

landlessness of ordinary people

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