In Journey to the End of the Earth, phytoplankton is highlighted as an essential microscopic organism in the Antarctic food chain. These tiny, photosynthetic organisms thrive in the nutrient-rich, cold waters of the Southern Ocean, forming the base of the food web. Phytoplankton serves as a primary food source for krill, which in turn supports larger marine animals like fish, seals, and whales. By sustaining the entire ecosystem, phytoplankton plays a critical role in maintaining the delicate balance of Antarctic life and contributes to global oxygen production, illustrating its importance beyond the polar region.
This question related to Chapter 3 English Vistas Class 12th NCERT.
From the Chapter 3. Journey to the End of the Earth.
Give answer according to your understanding.
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Phytoplankton are crucial for the Southern Ocean’s food chain and play a vital role in carbon cycling. Therefore option A is correct answer.
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