I use Mr. Andersen's videos all the time in my AP Biology class as a precursor to my lectures. This is my write-a-long, or WAL as I call them, for his "bacteria" video. This video is listed under his Gen Bio page, so it can really be used for any level Biology student.
My WAL is broken into the sections shown within the video (structure, classification, metabolism, reproduction, communication) and is mainly fill-in-the-blank for students while the video plays. At the end of the WAL, I include a "Summary" section- three questions that the students fill out after watching the video to help them review/remember what they watched. These questions are not super difficult, but require more thought than just filling in the blanks.
Please note that there is no key included with this product. It's good for you to watch the video so you know what your students will see, anyway :).