Energy flow is unidirectional in contrast to nutrients, which cycle in ecosystems.

Question

Quizplus · Accepted Answer

Energy flows through ecosystems in a unidirectional manner, from the sun (or other energy source) to producers, then to consumers, and ultimately to decomposers, where it is lost as heat. Nutrients, on the other hand, cycle within ecosystems as they are taken up by organisms, recycled through decomposition, and released back into the environment for reuse.

Energy Flow Is Unidirectional in Contrast to Nutrients, Which Cycle