Hot and Cold Desert

Hot And Cold Desert

What are DESERT ?

Desert

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A desert is any location on Earth that receives less than ten inches of rain per year. Deserts are extremely dry and may be either very hot or very cold. Hot deserts are extremely hot during the day and cold at night. ... Because plants are limited in deserts, erosion and weathering processes change the landscape easily.

Hot Desert

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Hot Desert

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Hot deserts are hot arid areas with little rainfall, extreme temperature and sparse vegetation. Generally, the deserts that are found in the tropical and sub-tropical regions (western coasts of continents) between the 15 degrees and 30 degrees north and south of the equator are hot desertse

Vegetation

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The vegetation of hot deserts is mostly xerophytic or drought-resistant. It includes the cacti, thorny bushes, scattered dwarf acacia and long-rooted wiry grasses.Vegetation has had to adapt to the extreme temperatures, lack of water and high rates of evaporation. The main adaptations are: Vegetation has leaves that are very small (and only grow after it rains) or have no leaves at all. ... Some plants are succulents and store the water in their leaves, stems or roots.

WILDLIFE

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Animals survive in deserts by living underground or resting in burrows during the heat of the day. Some creatures get the moisture they need from their food, so they don't need to drink much water, if any. Others live along the edges of deserts, where there are more plants and shelter.

Gallery

Cold Desert

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COLD DESERT

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Cold deserts have hot summers but extremely cold winters. These deserts are found in high, flat areas, called plateaus, or mountainous areas in temperate regions of the world. Temperate regions lie between the polar regions and the tropics. Like other types of desert, cold deserts get very little rain or snow.

Vegetation

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Plants in cold deserts include algae, grasses, and plants with spiny thin leaves. Usually these plants grow only in the summer. ANIMALS: Deserts are a very important biome.Grasses are the most common vegetation in cold deserts. They tend to grow in clumps known as bunchgrass. Shrubs and brush plants also cover the terrain, such as the sagebrush common in the Great Basin.

WILDLIFE

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Animals living in cold or temperate deserts have thick exoskeletons to protect them from the cold dry winds. ... They often have thick and spiny exoskeleton to prevent loss of water while their cold blood regulates their body temperature according to the surrounding temperature.Animals that live in the cold desert include the badger, bald eagle, bison, coyote, gopher snake, antelope, jackrabbit, mule deer and prairie dogs.

Video I

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