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=Research One of the eco zones. =


 * 1) Desert
 * 2) Tropical Rainforest
 * 3) Temperate Grasslands
 * 4) Temperate Forest
 * 5) Boreal Forest
 * 6) Polar and Tundra
 * 7) Scrub
 * 8) Mountain
 * 9) Savannah Grassland

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= Desert =

Definition for eco zone or biome
Desert

Deserts are usually very dry. Even the wettest desert get less than ten inches of rain a year. In most places, rain falls steadily throughout the year. But in the desert, there may be only a few periods of rains per year.

This is the desert ** biome **. You will most likely associate deserts with cacti, camels, and sand dunes, but there is much more to it than just that. Deserts have a varied of species that have adapted to the harsh climate of the desert. The deserts climate is very hot and dry.

Deserts are a very important **biome **. Some animals that live in the hot deserts are cold-blooded, like snakes, insects, and lizards. Mammals that live in the desert are usually small, such as the kangaroo rat and kit fox.

The desert may seem like a wasteland that is devoid of life, but this dry earth  has many buried treasures hidden within the sand  that are useful natural resources. The most abundant natural resources are minerals such as copper, granite, mica and various types of clay.

When you imagine a desert, what do you think of first? Maybe it's sand, heat, or Gila monsters, but most likely it's cactus. Cacti are probably the most memorable characteristic of the desert.

Discuss Landforms The most common landscape features found in deserts are sand dunes, yardangs, desert pavements, debris, playas, oases, mesas, alluvial fans, arroyos and buttes. These landforms vary from desert to desert.