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Re: Entropy In Biological Information Theory

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Posted by Whittier on July 21, 2003 16:18:55 UTC

Hi Mike Levine:
That is helpful. I wonder if physicists and physics students are now able to measure heat this way. I find it wonderful. Please forgive
this 8-year-old messsage from someone else at another forum:

(Attribution for the following is provided at)
http://www.bio.net/hypermail/bio-info/bio-info.199503/0044.html

"The increased complexity of the present day biosphere is
: an overall *decrease* in entropy and an *increase* in order, relative
: to the pre-biotic Earth.

The 2nd law doesn't apply to biology. Let's get that through our heads.
: Biological systems are not closed. They are open. The 2nd law simply
: does not have any use here. Biological systems are far from thermodynamic
: equilibrium. That means they are not equilibrium systems. They stay far
: from equilibrium because there is energy flowing through them. The energy
: is dissipated through non-linear interactions within the system, and
: patterns can form spontaneously. Again, forget the 2nd law."

Again, I didn't write that.
Sincerely,
Mike Pearson

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