Paul Smith suggests the revision:
1) Organisms vary in many ways that can be inherited.
2) These variations can be selected to produce large changes in
populations over many generations.
I agree. The forest at this level in not very exciting, but it is
the central insight. Unpacking the pattern and mechanism for
selection and inheritance is the exciting science.
-Chuck
--
- Chuck Huff http://www.stolaf.edu/people/huff
- Psychology & Computer Science, St. Olaf College
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