> If we had found that every species had its own unique genetic code or means
> of reproduction, that would have clearly ruled out evolution.
Come on Glenn, you know better than that. :-) That would have only
pushed evolution further back into the past, like the Cambrian Explosion
> Alternatively, if we were to find all the modern species of animals in all
> the geologic layers, that too would eliminate evolution as an explanation.
See above, brother.