Q. What is auxiliary natural source of energy in solar system ?

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Q. What are examples of unsubsidized natural solar powered ecosystem?

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Q. What did spread Plague in middle age ?

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Q. Organism in estuary can concentrate on conversion of sun energy into

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Q. An 'ecosystem' is a small unit of

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Q. Biosphere' is a thin sphere that encapsulates the

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Q. Which type of ecosystem has low productivity and capacity?

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Q. Fuel powered ecosystem is also known as

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Q. What are examples of naturally subsidized solar powered ecosystem?

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Q. What are life sustaining resources in biosphere?

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Q. In an unsubsidized natural solar powered ecosystem, source of energy is known as

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Q. Siltation in rivers, harbors and reservoirs is caused by

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Q. Standing water 'ecosystem' is known as

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Q. Graphical representation of trophic structure and function is known as

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Q. Number of organisms of different trophic levels in an ecosystem is identified as

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Q. Total amount of living material in an organism at different levels is known as

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Q. Balanced stability and existence of all organism in environment is known as

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Q. What does change over time and space?

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Q. Initial causes of ecological succession includes:

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Q. Initial causes of ecological succession, responsible for destruction of existed

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