In the context of ecosystem productivity, marine upwelling zones are important as they increase the marine productivity by bringing the 1. decomposer microorganisms to the surface. 2. nutrients to the surface 3. Bottom-dwelling organisms to the surface. W

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Q: 22 (IAS/2011)
In the context of ecosystem productivity, marine upwelling zones are important as they increase the marine productivity by bringing the
1. decomposer microorganisms to the surface.
2. nutrients to the surface
3. Bottom-dwelling organisms to the surface.
Which of the statements given above is/ correct?
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question_subject: 

Ecology

question_exam: 

IAS

stats: 

0,224,262,95,224,138,29

keywords: 

{'ecosystem productivity': [0, 0, 0, 1], 'marine upwelling zones': [0, 0, 0, 1], 'decomposer microorganisms': [0, 0, 0, 1], 'marine productivity': [0, 0, 0, 1], 'organisms': [4, 1, 3, 2], 'nutrients': [1, 0, 3, 1], 'surface': [1, 0, 0, 0]}