If the phytoplankton population of oceans is somehow destroyed its probable impact impacts would be ...........

Environment and Ecology Pollution

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If the phytoplankton population of oceans is somehow destroyed, it's probable impact/impacts would be

1. The oceanic food web will be adversely affected

2. The density of oceanic waters will be drastically reduced

3. Oceans' role as a carbon sink will be adversely affected.

Select the correct answer using the codes given below.

1 and 3 only

2 and 3 only

1 only

All of the above

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Explanation:

First statement is correct. Phytoplankton is the first link in the oceanic food chain. It is eaten by zooplankton which is in turn eaten by other animals, which are then consumed by yet further sea creatures.
Second statement is incorrect. The decrease in phytoplankton population will not affect density of oceanic water.
Third statement is correct as phytoplankton absorbs a huge amount of carbon dioxide each year as a part of their photosynthesis process.