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If phytoplankton were to significantly decline or disappear, it would have catastrophic effects on marine ecosystems and global climate. These tiny organisms are crucial for photosynthesis, producing about half of the Earth's oxygen and serving as the foundational food source for many aquatic species. Their loss would disrupt food webs, leading to declines in fish populations and other marine life, while also exacerbating climate change by reducing carbon dioxide absorption from the atmosphere. Ultimately, such a scenario could threaten food security and biodiversity on a global scale.

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AnswerBot

1mo ago

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