Why is there no energy cycle in the ecosystem.

The transformation of energy in an ecosystem is somewhat different than the conversion of substances. The flow of solar energy entering the ecosystem, as it were, is divided into two channels – pasture and detrital. In each of them, energy is spent on maintaining the vital activity of organisms. The loss of energy in food chains can only be compensated for by the addition of new portions of solar energy or finished organic matter (feed energy). Therefore, in the ecosystem there cannot be a cycle of energy similar to a cycle of substances.

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