Q.1. Answer the following statements in one word.
(a) The pattern of energy exchange in an ecosystem, where energy is decreasing at every level
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(b) The step at which the organism obtains its food in a food chain
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(c) Conversion of nitrogen into nitrites and nitrates in the atmosphere
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(d) The cyclic flow of nutrients within an ecosystem
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(e) The process where nitrogen compounds are converted to gaseous nitrogen
the
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Answer:
a-calorific flow or flow of energy
b-consumer
c-nitrogen fixation
d-nutrient cycle
e-denitrification
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