Questions and Answers on ecosystem

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Define self sustainability.

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What is the ultimate source of energy for the ecosystems?

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Explain the pond as an ecosystem.

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How does phosphorus cycle operate in an eco system?

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Explain the energy flow in an ecosystem follows laws of thermodynamics.

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Outline salient features of carbon cycling in an ecosystem.

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List the organisms which occupy more than one trophic level in an ecosystem.

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Write important features of a sedimentary cycle in an ecosystem.

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Give an account of energy flow in an ecosystem.

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Decomposition - processes and products of decomposition.

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Describe the factors that affect primary productivity in ecosystem.

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What is primary productivity of an ecosystem?

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Define pyramids of number and biomass.

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Why is productivity in oceans lesser than the land?

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Differentiate between carbon and phosphorus cycle.

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Differentiate between primary and secondary productivity in ecosystem.

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Differentiate between litter and detritus.

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Differentiate between upright and inverted pyramid.

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Differentiate between production and decomposition.

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Differentiate between grazing food chain and detritus food chain.

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