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whats a Tundra (Polar desert)
Weegy: Most of the interior of Antarctica is polar desert (More)
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Expert Answered
Updated 1/3/2012 10:10:26 AM
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Tundra is the coldest of all the biomes. Tundra comes from the Finnish word tunturi, meaning treeless plain. It is noted for its frost-molded landscapes, extremely low temperatures, little precipitation, poor nutrients, and short growing seasons. Dead organic material functions as a nutrient pool. The two major nutrients are nitrogen and phosphorus. Nitrogen is created by biological fixation, and phosphorus is created by precipitation. Characteristics of tundra include: •Extremely cold climate •Low biotic diversity •Simple vegetation structure •Limitation of drainage •Short season of growth and reproduction •Energy and nutrients in the form of dead organic material •Large population oscillations
Added 1/3/2012 10:10:26 AM
This answer has been added to the Weegy Knowledgebase
what is Prairie (Temperate Grassland)
Weegy: Prairie are considered part of the temperate grasslands, savannas, and shrublands biome by ecologists, based on similar temperate climates, moderate rainfall, and grasses, herbs, and shrubs, rather than trees, as the dominant vegetation type. [ Temperate grassland regions include the Pampas of Argentina, Brazil and Uruguay as well as the steppes of Eurasia. ] (More)
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Expert Answered
Updated 1/3/2012 11:09:16 AM
1 Answer/Comment
Prairie is a treeless grassy plain.
Added 1/3/2012 11:09:45 AM
what is Taiga or Boreal Forest (Polar forest)
Weegy: The boreal forest (also known as the taiga, a russian word meaning swampy moist forest) is found in a nearly continuous belt across North America and Eurasia. Most of Canada and Russia are covered by coniferous trees that make up this biome. [ This biome is defined mainly by the trees that compose it. The climax trees are furs, spruces and pines. Subclimax plant communities may have deciduous trees like larch, tamarack and birch. Much of the zone that this biome covers was formerly glaciated. Today large sections have permenent permafrost. The taiga is the largest land habitat - a northern zone of coniferous forests, stretching right round the planet from western Alaska to eastern Siberia. In the winter the temperature can drop to as low as -50 degrees Celsius and the taiga is blanketed in snow. Many of the trees have to survive being partly buried in snowdrifts. In summer, the climate is much milder and many birds migrate to the taiga regions. The term boreal forest is sometimes, particularly in Canada, used to refer to the more southerly part of the biome, while the term taiga is often used to describe the more barren areas of the northernmost part of the taiga approaching the tree line... Please for more details, check the links below, . .. Hope that was helpful! Thank you for using Weegy and have a nice day! [smile] ] User: what is Prairie (Temperate Grassland) Weegy: Temperate grasslands include the prairies of North America, the steppes of Russia and the pampas of Argentina. [ Summers here are mild to hot and the winters can sometimes be very cold – for instance, blizzards can blanket the great plains of the United States. Although large areas have now been converted to agriculture, in the past temperate grasslands were home to herds of large grazing animals such as bison, deer or kangaroos. Grasslands, prairies, steppes, plains - all these names describe the biome where grasses rule. In North America people call temperate grasslands ... (More)
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Expert Answered
Asked 1/3/2012 10:11:03 AM
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what is Rain Forest (Tropical forest)
Weegy: Rainforests are forests characterized by high rainfall, with definitions based on a minimum normal annual rainfall of 1750-2000 mm (68-78 inches). [ The monsoon trough, alternatively known as the intertropical convergence zone, plays a significant role in creating the climatic conditions necessary for the Earth's tropical rainforests. ] (More)
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Expert Answered
Updated 1/3/2012 10:59:01 AM
1 Answer/Comment
The tropical rain forest is a forest of tall trees in a region of year-round warmth. An average of 50 to 260 inches (125 to 660 cm.) of rain falls yearly. ...................
Added 1/3/2012 10:59:01 AM
what is . Savannah (Tropical grassland)
Weegy: A savanna is a rolling grassland scattered with shrubs and isolated trees, which can be found between a tropical rainforest and desert biome. Not enough rain falls on a savanna to support forests. Savannas are also known as tropical grasslands. [ They are found in a wide band on either side of the equator on the edges of tropical rainforests. ] User: what is Rain Forest (Tropical forest) (More)
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Expert Answered
Updated 1/3/2012 11:07:48 AM
1 Answer/Comment
Savannah is a flat grassland in tropical or subtropical regions.
Added 1/3/2012 11:07:48 AM
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