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What roles do non-living material play in the ecosystem?

User Taurean
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Rocks, Dirt, Sunlight and Water
These abiotic components -- nonliving -- remain vital to the ecosystem's health because they are keystones in its energy flow and nutrient cycle. Energy from sunlight is transformed into chemical energy through photosynthesis by plants, which define the base producers in most ecosystems.
User Jeremypress
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