MadSci Network: Evolution
Query:

Re: How can Evolution work against the natural laws of the universe?

Date: Tue Jun 19 15:15:51 2001
Posted By: John Archer, Staff, Flora of Missouri Project - Missouri Department of Conservation, Missouri Botanical Garden -Research Division
Area of science: Evolution
ID: 992841477.Ev
Message:

One of the most misunderstood things about science is the concept of the 
Law.  There is, in fact, no such thing as a law.  What I mean by that is; 
all knowledge is collected by humans for their own purposes.  Therefore, 
humans will accept answers that make the most sense to them.  Merely 
because something makes sense to a human doesn't mean that it is true in 
all cases.  Humans make up a tiny part of the diversity of life and an 
even tinier part of the universe.  The smallness of our part of the 
universe is so small that no human mind is capable of thinking of it!  Our 
intellectual and experimental reasoning is not identical to the extremely 
complex and amazing processes that formed the Earth as we know it today.  
When scientists call something a law they are actually recognizing that 
the law they are referring to predicts that something specific will happen 
after something else specific has happenned.  This is only a prediction.  
Predicitons occasionally turn out to be wrong.

To use Mendel's work as an example, his findings are not excepted as laws 
by scientists outside the biological sciences.  Even biologists themselves 
recognize that these laws are generalizations of what could happen.  If 
you read books about the life of Mendel, you will learn that he observed 
the great variation among plants.  From his observations of this immense 
variation, he made some predicitons that will hold true with the pea 
plants that he grew in his garden in Germany.  These assumptions, which 
teachers call "laws" for the sake of instruction, only hold true in his 
specialized experimental garden.  Anywhere else in the world they are 
merely generalizations of what could happen.  These generalizations are 
very useful to scientists.  They use them to learn more about what is 
actually happenning with life on Earth.  In the case of Darwinian 
evolution, it is the variation that Mendel and many other human beings 
observe everyday, that contributes to the gradual change in species that 
we call natural selection.

I hope this helps.  If this sparks any other questions, please feel free 
to ask.  It will be more helpful when you pose a question if you can 
explain what it is specifically you are asking.  For instance, in this 
question, you could of asked about specific Mendelian laws instead of all 
of them.  Good luck.


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