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Earn 100

In an ecosystem,
cycling of energy and nutrients is a coupled process.
cycling of energy is an independent process.
movement of energy is unidirectional.
both macro and micro consumers are necessary.
Choose the correct option for statement/s which complete/s the above statement.
(a)only 1
(b)only 3
(c)1 and 3 both
(d)only 4

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Important Questions on Ecosystem
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Which one of the following element never goes to the atmosphere?

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I. Hydrogen cycle and water cycle
II. Phosphorus Cycle and sulphur cycle
III. Calcium cycle and magnesium cycle
IV. Carbon cycle and nitrogen cycle


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plant mice snake peacock

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Given below is a simplified model of phosphorus cycling in a terrestrial ecosystem with four blanks (A-D). Identify the blanks.

