Why does a transitional fossil have to fully formed to be evidence for evolution? The process of fossilization is imperfect and must of the time most or part of a fossil will degrade. In fact fully formed fossils are pretty rare. We do see a lot of fossils that are 80%, 90%, 95%, or 99% complete.
Let me be more specific. I'm looking for something that scientifically proves evolution occurred in regards to the fossil record. If it has been proven, I would like to know how. Was it just observation? Were experiments conducted? If so, what kind? Have tests been conducted? What kind of tests?