Environment & Ecology · Environment
Which of the following correctly explains why energy flow is unidirectional and never cyclic in an ecosystem?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Energy is transformed into biomass at each level
- 2Energy is lost as heat during biological processes at each trophic level✓
- 3Nutrients are not recycled in ecosystems
- 4Decomposers absorb all heat energy
Correct answer
Energy is lost as heat during biological processes at each trophic level
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