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What is secondary productivity
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What are two types of primary productions?
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Define primary productivity
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Describe lake as an ecosystems considering productivity,decomposition,energy flow,nutrient cycling
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What is meant by stratification?
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Write short note on structure of an ecosystem ?
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What characteristics of an ecosystem?
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What are two basic categories of ecosystem
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What is the difference between inorganic catalyst and enzymes?
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Write short note on electron transport system ?
