why is the flow of energy unidirectional
Answers
It is not possible for energy to flow bidirectional
Explanation:
The energy that is transferred from the autotrophs to heterotrophs cannot be transferred again from the heterotrophs to the autotrophs.
The energy is lost in the form of heat which cannot be used by organism present in nature. The autotrophic organism cannot use this heat energy to perform the process of photosynthesis.
This is the reason the flow of energy is unidirectional as it cannot flow in backward direction.
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The energy flow is in one direction only.
Reason :
We know that, during the transfer of energy from one tropic level to the other, a small amount of energy gets lost. This means that the energy which is given out by the animals gets lost as heat in our surroundings or environment and it does not return back to the plants or trees.
This indicates that there will be no transfer of energy from the heterotrophs to the autotrophs.
Because of this reason, the energy always flows in one or a single direction.
3 characteristics of energy flow :
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Block diagram showing the flow of energy :
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