Bio Question - Chemoautotroph and 2nd law of Thermodynamics

[Moshi123]

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Can anyone please explain how a 2nd law of Thermodynamics is related to the chemoautotrophs?
I don't understand the second paragraph of the answer (highlighted)..

Thank you!

 

[Don'tSleep]

First off, the 2nd law of thermodynamics states that the entropy of the universe is increasing. This means that without the input of energy, entropy will increase. I think what he is saying is that if an organism were to take a usable organic molecule, break it down, then rebuild it, it would be very inefficient and that organism would not have evolved in such a way. In order to "overcome" the 2nd law one needs to put in energy. That's what I took away from it.