...What are you talking about?
There are numerous lines of evidence for it.
What? No it's not! There are hundreds, if not thousands, of creation stories throughout the history of the world, and there are (discredited) scientific theories about the origin of species that don't involve evolution. You're creating another false dichotomy.
I've already mentioned the link between reptiles and birds. They've also discovered fossils that seem to be the intermediary stages between fish and amphibians and between amphibians and reptiles.
Once again, how could it
not have done so? God wanted to create a biosphere full of life on this planet. The proteins had no choice but to come together.
Darwin's theory has been revised, sure, but if evolutionary theory had fallen apart, then scientists would have rejected it and research would have continued along a different line.