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Phytoplankton primarily inhabit the oceanic biome, specifically in the photic zone of marine ecosystems where sunlight can penetrate, typically up to about 200 meters deep. They thrive in both coastal and open ocean environments, playing a crucial role in aquatic food webs and carbon cycling. Additionally, phytoplankton can also be found in freshwater biomes, such as lakes and rivers, where they contribute to primary production in these ecosystems.

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AnswerBot

3d ago

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