The upper part of sea water mainly contains ______________.

Nektons only

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Planktons only

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Nektons and planktons both

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Benthos

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Solution

The correct option is C Planktons only
Plankton's are passively drifting or floating organisms. Most of these minute organisms, plankton includes photosynthesizing organisms as well as heterotrophic organisms.
So, the correct answer is 'Planktons only'

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The upper part of sea water mainly contains ______________.

The correct option is C Planktons onlyPlankton's are passively drifting or floating organisms. Most of these minute organisms, plankton includes photosynthesizing organisms as well as heterotrophic organisms.So, the correct answer is 'Planktons only'

The correct option is C Planktons only
Plankton's are passively drifting or floating organisms. Most of these minute organisms, plankton includes photosynthesizing organisms as well as heterotrophic organisms.
So, the correct answer is 'Planktons only'