Quote:
Originally Posted by mykalberta
Just a question. I assume human evolution from a single cell organism can be proved 100% correct?
If so, can you post a link - unless things have changed since I was in Uni, its still only a theory and cant 100% be proved.
Species adapting to changing situations and weeding out the weak and promoting the strong can be proved.
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Gravity is only a theory, germ theory is only a theory, quantum theory is only a theory.
Evolution is a fact (it's observed, just like gravity), the theory of evolution attempts to explain how it happens (natural selection, mutations, horizontal gene transfer, etc etc).
Descent of all life from a common ancestor is about as supported as it gets in terms of scientific theories.
As troutman said, all knowledge in science is provisional, so yes a better theory could come along at any time.