For living organisms, which of the following is an important consequence of the first law of thermodynamics?

For living organisms, which of the following is an important consequence of the first law of thermodynamics? 





A) The energy content of an organism is constant.
B) The organism ultimately must obtain all of the necessary energy for life from its environment.
C) The entropy of an organism decreases with time as the organism grows in complexity.
D) Organisms grow by converting energy into organic matter.
E) Life does not obey the first law of thermodynamics.





Answer: B


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