Which of the following types of ecosystem is expected in an area where evaporation exceeds precipitation, and mean annual rainfall is below 100mm?
A
Grassland
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B
Shrubby forest
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C
Desert
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D
Mangrove
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Solution
The correct option is C Desert Deserts have been variously classified as true deserts having less than 120mm annual rainfall, or extreme deserts showing less that 70mm yr−1 rainfall. In desert biomes, evaporation from soil always exceeds rainfall by 7 to 50 times.