IB Biology, Topic 1: Cell Biology, 1.6 Cell Division This handout follows a video lesson that teaches students about the understandings and applications in the IB Bio 1.6 curriculum. More than just a lecture, there are activities for students to pause and complete throughout the video to strengthen their understanding. It is interactive and requires students to write and annotate along with the video. NEWLY UPDATED with post-video activity questions! Just download and print! This is a great acti