This zip file includes study guides for the core plus options C and G of the IB-SL Biology curriculum. It also includes answer keys to the study guides. The study guides come right from the curriculum guide prompts but are rephrased into more student friendly language. In addition, some prompts include example problems. The preview file is the entire cell study guide. There are 10 files (including answer keys). Study guides range in size from 11 pages to 19 pages long.