I'd draw the same line in correlation to how I'm learning about it in my college Biology class; microevolution referring to small changes over a long time, and macroevolution referring to large changes. Example, for micro, specifically species adapting to a change in the environment for example, by maybe growing more fur or something to that nature. For macro, I'd use the same example I said before, but not limited to, some sort of primate becoming a human. Small change with strong evidence, as opposed to large change that has just as much evidence as the Bible does---just enough to where you need to put faith in to believe in it.
Small changes (micro-) can accumulate. The sum total of that type of accumulation can and often times does add up to a large scale change (macro-). You can see that as true right?
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