Quote Originally Posted by JET73L View Post
Macroevolution is impossible to prove, because it is a long-term extension of microevolution. Microevolutio9n is porvable, ergo, macroevolution exists. I know it's theoretically provable, just not practically provable. (and by the macro/micro suffixes, I mean scale, not biological complexity.)

Thanks for pointing out the lack of clarity there.Unless you were just being argumentative. Either way, shouldn;t really matter.
First things first:

Macro-evolution and Micro-evolution are terms that have been abandoned by the Scientific community since like the 1930's, because there is actually no difference between the two, since both are governed by the same processes. The only thing now that distinguishes them is time frame, but even that can be variable, as the whole principle of Punctuated Equilibrium highlights.

Also, it has been observed in many cases. We've even manipulated it through artificial selection. It has been observed in nature, for example, with new plants emerging through polyploidy. These are just one of many examples.