In an ecosystem, energy

Question

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Energy typically flows from producers (autotrophs), which capture energy from the sun and convert it into organic matter, to a series of consumers (heterotrophs) at different trophic levels. This flow of energy is known as a food chain or food web. Decomposers play an important role in cycling nutrients back into the ecosystem, but they do not typically play a major role in energy flow. Bacteria can contribute to the production of energy in some ecosystems, but they are not the ultimate source of energy.

In an Ecosystem, Energy