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The energy captured by autotrophs, once passed to heterotrophs, can it revert to the solar input?

Question
The energy captured by autotrophs, once passed to heterotrophs, can it revert to the solar input?
Yes, it always returns to sunlight
No, the flow of energy is unidirectional and does not revert
Only during the night
Only in aquatic ecosystems
Answer
No, the flow of energy is unidirectional and does not revert
Detailed Explanation
As explicitly stated, energy captured by autotrophs does not revert back to the solar input; the flow is strictly unidirectional. — Examisthan.com
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