First of all, it is a fact as well as a theory.
Secondly, I present you
The Human. It's half-prehistoric human and half-future human: A wonderful example of evolution in action.
And thirdly, you can start examining proof
here
fact /fækt/ Pronunciation Key - Show Spelled Pronunciation[fakt] Pronunciation Key - Show IPA Pronunciation
noun 1. something that actually exists; reality; truth: Your fears have no basis in fact.
2. something known to exist or to have happened: Space travel is now a fact.
3. a truth known by actual experience or observation; something known to be true: Scientists gather facts about plant growth.
4. something said to be true or supposed to have happened: The facts given by the witness are highly questionable.
5. Law. Often, facts. an actual or alleged event or circumstance, as distinguished from its legal effect or consequence. Compare question of fact, question of law.
Idioms6. after the fact, Law. after the commission of a crime: an accessory after the fact.
7. before the fact, Law. prior to the commission of a crime: an accessory before the fact.
8. in fact, actually; really; indeed: In fact, it was a wonder that anyone survived.
the·o·ry /ˈθiəri, ˈθɪəri/ Pronunciation Key - Show Spelled Pronunciation[thee-uh-ree, theer-ee] Pronunciation Key - Show IPA Pronunciation
noun, plural -ries. 1. a coherent group of general propositions used as principles of explanation for a class of phenomena: Einstein's theory of relativity.
2. a proposed explanation whose status is still conjectural, in contrast to well-established propositions that are regarded as reporting matters of actual fact.
3. Mathematics. a body of principles, theorems, or the like, belonging to one subject: number theory.
4. the branch of a science or art that deals with its principles or methods, as distinguished from its practice: music theory.
5. a particular conception or view of something to be done or of the method of doing it; a system of rules or principles.
6. contemplation or speculation.
7. guess or conjecture.
That wouldnt exactly work........so its either or, not both, and for now Im sticking with theory. And thats great that we have pages on these fossils but one, we still dont have any transitional fossils and two, the whole"bird wing was once girl grabber" thing cant be proven, so thats not proof either. As for humans, again, proof that weve ever changed at all.