IB Biology is challenging, college-level biology, so sometimes you will need a little more study help than your class notes provide. In this article, I've compiled the best FREE online IB Biology study guides (including IB Biology Notes and IB Biology Revision) into one resource and provided you with some IB Biology practice questions.
Because of the ongoing COVID-19 (coronavirus) pandemic, the IB has decided to extend the adaptations which were put in place for 2021 to 2022. May 2022 IB assessments will have two routes, exam and non-exam, depending on which your school chooses. Stay up to date with the latest information on what this means for IB diplomas, course credit for IB classes, and more with our our IB COVID-19 FAQ article.
This IB Biology Study Guide is ordered using the IB Biology Syllabus. If there is a single topic you are interested in learning more about, use the Command + F function on your computer to search the article for that term. For example, if you want to learn more about Cell Theory, use Command + F to bring up the search function. Type in "Cell Theory" and it will bring up all of the study materials for Cell Theory.
If you are looking for general quiz material for the whole IB Biology Exam, you can skip to the end of the article to the Overall Reviews section for great overall study resources.
First, I will delve into resources by IB Biology Topic. I will separate the resources into:
You should use this guide throughout the year as a refresher before tests and quizzes or for additional support if you did not entirely understand a specific lesson in your IB Biology class. If you still need more assistance, check out our article on the Best IB Biology Books. You should be studying throughout the year and not waiting to cram before the IB Biology exam.
You should also be integrating real practice questions with each subject. You can find past IB Biology HL and IB Biology SL papers for sale online from the Follett IB store. Also, if you are struggling to understand the material, you should be studying the corresponding chapter in a review book as you learn that chapter in class.
Many students have a hard time with IB Biology. There is a lot of material to cover and you need to be learning it throughout the year(s) in order to master the IB Biology exam. Some common mistakes students make when studying are:
Below are all the best notes for IB Biology SL and HL. IB Biology SL consists of a minimum of 150 prescribed hours, and IB Biology HL consists of a minimum of 240 prescribed hours. Both levels cover topics 1-6, and HL additionally consists of topics 7-11. For both levels, you'll also cover one of the four options (A through D), at either the SL or HL level.
