How early did you guys start studying for the AP exam and how much would you say you studied?
I don’t think I studied too much, but I probably should have. I got a 3. I think I started a couple of weeks in advance, maybe an hour or so a day. I’m not too sure, sorry.
I suggest Bozeman Science. There are 65 videos for AP Biology. If you go through this playlist at 1.5 speed on Youtube, you’ll definitely benefit from it. It’s a lot better than Crash Course because it’s geared at AP.
https://www.youtube.com/playlist?list=PLFCE4D99C4124A27A
Usually start studying for them March or so, in addition to reviewing each chapter as we go