Is Energy Conserved in an Ecosystem?

Yes, energy is conserved in an ecosystem. Energy flows in the ecosystem from one trophic level to another. Photosynthetic plants capture light energy and convert it into chemical energy, which is then passed on to the next trophic level or primary consumers, then to secondary consumers and decomposers. At each trophic level, only 10 percent of the energy is transferred to the next trophic level and rest is utilised for metabolic activities and lost as heat in the environment. The chemical energy decreases at each stage but total energy in the system remains the same.

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