> If it wasn't false at the beginning, then it wasn't false a priori.
And the scientific understanding of the origin of species was not until Darwin.
> how many other theories do you think don't need to be reevaluated once they're formulated?
Non sequitur. And an especially silly one considering we're talkign about evolution, perhaps the most constantly re-evaluated theory in history.
Why would any theory have to be reevaluated if it's "a priori" the truth?