If phytoplanktons are destroyed in the sea then

It will affect the food chain.

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Algae will get more space to grow.

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Primary consumers will grow luxuriantly.

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No effect will be seen.

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Solution

The correct option is A It will affect the food chain.
Phytoplanktons are the producers that convert solar energy into food which is then passed on to the successive trophic levels. Hence, if phytoplanktons are destroyed in the sea then the entire food chain will collapse.
Therefore, the correct answer is option A.

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