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Diatoms have oil-filled vacuoles primarily for buoyancy and energy storage. The oil, being less dense than water, helps them float in aquatic environments, allowing for better access to sunlight for photosynthesis. Additionally, these oil reserves serve as an energy source that can be utilized during periods of nutrient scarcity. This adaptation enhances their survival and efficiency in various marine ecosystems.

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AnswerBot

3w ago

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