Friday, 23 November 2018

thermodynamics - Relationship Between Evolution and the Increase of Entropy of Earth


I was confronted by this question:


Biological evolution of life on Earth, from simple prokaryote-like cells to large, multicellar eukaryotic organisms,



  • A) has occurred in accordance with the laws of thermodynamics.


  • B) has caused an increase in the entropy of the planet.

  • C) has been made possible by expending Earth's energy resources.

  • D) has occurred in accordance with the laws of thermodynamics, by expending Earth's energy resources and causing an increase in the entropy of the planet.

  • E) violates the laws of thermodynamics because Earth is a closed system.


Answer: A


However, I do not understand. Biological evolution does cause the system (living organisms)'s entropy to decrease. So, by the second law of thermodynamics, the entropy of the universe (in this case Earth), must have overall increased.


I would answer D... Where am I going wrong?




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