Bio question - BC

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belmont3

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The second law of thermodynamics can explain which of the following statements?

a) Some of the energy transferred in a cell is lost as heat.
b) The ultimate source of all energy comes from the sun.
c) Saprophytes recycle unusable energy such as heat.
d) Isolated systems tend to decrease in entropy.
e) Energy can be created through photosynthesis.

BC indicates that the answer is choice A. They relate this to the 2nd law of thermodynamics which states that the entropy in a system always increases. HOWEVER, choice A indicates that one form of energy is being transferred to another form... isn't this the 1st law of thermodynamics??! I actually can't see the relationship between energy transfer/ heat lost and entropy (2nd law of thermodynamics)?? Can you help me please?!

Thank you !!
 
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I do not see, how this relates to the second law if thermodynamics. Maybe first at best. How can they substitue entropy with heat?
 
I do not see, how this relates to the second law if thermodynamics. Maybe first at best. How can they substitue entropy with heat?
That's what I can't get. I don't see any relationship between the two here. :/ However, I can see the relationship to the 1st law of thermodynamics... not to entropy.!!
 
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