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What does energy flow diagram indicate ?...

What does energy flow diagram indicate ?

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Energy flow diagram indicates the following:
a)Energy flow is undirectional
b) As much is wasted only a limited number of trophic levels (3 or 4) are found in the food chain.
c) Biological magnification of harmful non-biodegradable substance occur in food chain.
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CPC CAMBRIDGE PUBLICATION-CPC MODEL QUESTION PAPER 6-ANSWER THE FOLLOWING
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