GK
ECOLOGY BIODIVERSITY CONSERVATION ENVIRONMENTAL ISSUES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A tropical rain forest
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A grassland
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An open ocean
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A coral reef
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Detailed explanation-1: -So, the correct option is ‘Open Ocean’.
Detailed explanation-2: –Oceans contain lots of nutrients but they have no sufficient sunlight reaching in the deep areas, therefore, oceans have the least productivity among all ecosystems. The average productivity of an ocean ecosystem is about 50 grams of carbon per square meter per year.
Detailed explanation-3: -The highest net primary productivity in terrestrial environments occurs in swamps and marshes and tropical rainforests; the lowest occurs in deserts.
Detailed explanation-4: -Deserts, tundra and the open ocean are the least productive ecosystems typically having less than 0.5 x 103 kcal.
Detailed explanation-5: -Answer and Explanation: The open ocean has the least primary production in aquatic biomes. Open ocean’s surface water is deficient in nutrients as the dead organic matter sink into the ocean.