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प्रश्न
Energy enters an ecosystem primarily as ______ and leaves an ecosystem primarily as ______.
रिक्त स्थान भरें
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उत्तर
Energy enters an ecosystem primarily as light and leaves an ecosystem primarily as heat.
Explanation:
Sunlight is captured by plants during photosynthesis to produce food energy, which flows through the food chain. At each trophic level, energy is used for metabolic activities, and a significant portion is lost to the environment as heat. This heat energy dissipates and does not return to the ecosystem, making energy flow a one-way process.
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