I also made my own graphics...

As a high school senior, I took AP Biology, a class which I still believe my friends and I mostly taught ourselves. We must have done a decent job of it, too: Messiah gave me 6 credits for that AP score. Early in the year, when I was still quite motivated (or had abundant time to procrastinate other forms of studying), my chapter notes are interspersed with numerous colourful graphics that I created with Paint. For your viewing pleasure, here is one such image.

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