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GS Geography Physical Geography of World
Q.

Which of the following is NOT man made ecosystem?
Explanation:

ANS. (D) 
A system in which there is significant interaction between living and non-living organisms is called as an ecosystem. Examples of man-made ecosystem includes agriculture based systems like a garden, orchards; products of land development like a lake, canals, park; products of observation and lively requirements like an aquarium etc. Grasslands are natural ecosystems. The two major types of grasslands are Tropical Savannah and Temperate Grassland.

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