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When the energy flow through an ecosystem is measured at each trophic level, __________ of the available energy passes from one level to the next. 1% to 2% 5% to 20% 25% to 35% 36% to 45% 46% to 55%?

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Tabbey
Answer: 5% to 20% 

Energy flow can be defined as the amount of energy that moves through a food chain and it flows through ecosystem in one direction. Thus, the largest source of energy for an ecosystem is the sun and the energy that enters the ecosystem is usually measured in calories or joules.

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