Although matter such as carbon and nitrogen atoms and water are continuously recycled in an ecosystem, energy is not. A constant, new supply of energy must be added in order to sustain the biotic portion of the ecosystem. What fundamental law of nature requires this new supply of energy?

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    First Law of Thermodynamics
    Second Law of Thermodynamics
    Law of Gravity
    Law of Ecosystem Dynamics
asked May 19, 2013 in Biology by anonymous
    

1 Answer

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Second Law of Thermodynamics
answered May 20, 2013 by Bioshare ~Top Expert~ (34,070 points)

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