Question

What are phytoplanktons? How are they important to our ecosystem? ​

Answer 1

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The microscopic phytoplankton are tiny forms of plant life on the sea. They nourish and sustain the entire southern ocean’s food chain. They are single-celled plants and use the energy of the sun to assimilate carbon supplying oxygen and synthesise compounds. Depletion of the ozone layer that protects us from the harmful rays of the sun adversely affects the activities of the phytoplankton. Any further depletion in the ozone layer will hamper their activity which, in turn, is bound to affect the growth of marine animals and birds and even the global carbon cycle. Thus to save the big organisms the small organisms need to be cared for because even minor changes have huge repercussions.

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Answer 2

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Phytoplanktons, the grasses of the sea, are single-celled organisms living in the southern ocean. They nourish and sustain the entire ocean’s food chin, being first link in the food chain of ocean. Using sun’s energy, they assimilate carbon and synthesize organic compounds.

The diminishing number of these organisms due to the depletion of ozone layers affects other organisms of the ocean, finally leading to the extinction of life on earth.

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