Detention:Transfiguration/Apparition and Expert Transformations

6th Years, you'll need to know about the following topics for your NEWT tests, so you should be able to give an answer to the following.
 * Though Apparition is not technically transfiguration, it does have some characteristics of transfiguration. What are those?
 * If transformations are magical in nature, why is it much harder to transform somthing large or small? Which is more difficult, and why?
 * How do transfigurations change when used on creatures with magical resistance, such as dragons?

Please turn it on on my desk, with the proper heading. And please add the category "Transfiguration Homework".