Students in my biology classes react very well to structured doodle notes. These notes are designed to be used in the beginning of the year so they contain more support (fill in the blank) than some of my other doodle notes. I introduce these notes with a corresponding plant example, and then ask students to graph sample plant growth data. Finally, I require that they use these notes to identify variables in several experimental examples. Encouraging color and giving students time to interact and add to the notes is great for this style of note taking.