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Energy and the Second Law of Thermodynamics

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When a hawk eats a fish, does the hawk acquire all of the energy contained in the body of the fish? Why or why not? What implications do you think this answer would have for the relative abundance (by weight) of predators and their prey? I use the second law of thermodynamics to help justify.

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The hawk eating the fish is an isolated system, and as such, any thermodynamic process that it undergoes, such as digestion, will have a resulting increase in entropy, ...

Solution Summary

A thermodynamic scenario is posed.