Home of real teaching & learning
- Full support for teachers
- Focus on critical thinking
- Engaging classroom activities
- Integrated student eBook
- Assessed tasks / qBank
- Practice exam questions
The InThinking Guarantee: Our sites are written by expert practitioners and not by AI
See our AI policyDisclaimer: InThinking subject sites are neither endorsed by nor connected with the International Baccalaureate Organisation.
Don't miss out, find out!
- Free trials Take out a one month free trial today!
- Newsletters Subscribe to our FREE subject site newsletters.
Recommendations
Read what users are saying about the site.Video overview
Site authors
IB Approved Workshops
Biology
IB DP Category 1
Berlin, Germany, 30 October - 1 November 2026
Find out more
Environmental systems and societies: A focus on internal assessment
IB DP Category 3
Paris, France, 13 - 15 November 2026
Find out more
Biology
IB DP Category 2
Paris, France, 13 - 15 November 2026
Find out moreVirtual Think-Ins
Systems Thinking in the ESS Course
9 October 2026
Find out more
The new Extended Essay in DP Biology (first exams M27)
15 October 2026
Find out more
Teaching Statistics & Data Skills in DP Biology & ESS
3 November 2026
Find out moreInThinking Shorts
Getting the most out of InThinking Subject Sites
12 October 2026
Find out more
Getting the most out of InThinking Subject Sites
15 October 2026
Find out more
Find all InThinking events at
inthinking.net
Quote of the day
“Sometimes we just simply have to find a way... And I’m sure the moment we start behaving as if we were in an emergency, we can avoid climate and ecological catastrophe. Humans are very adaptable: we can still fix this. But the opportunity to do so will not last for long. We must start today. We have no more excuses.
InThinking
Supporting international schools with high quality PD & interactive online resources
Creative
Personal
Selected student pages
See allMost popular
See allBlog
Free
Exam practice questions
Over the summer we have completed a full set of exam practice question pages, one for each topic. These pages are great for homework or revision. The Exam practice concept; The pages all have “exam practice”...
Recommendations
See all"These are excellent resources, ideas and insights for teaching DP Biology. Very useful and user friendly. Totally worth it."
Joao Paulo Ricchio
American School of Rio de Janeiro
"If you are looking for a reliable source to help you plan and teach the new IBDP Biology course, this website is a must."
Mandy Watson
Berlin International School
Subscriber comments
-
Dear Eleni, Thanks for your comment. This morning the top menus have been updated. This adds more options to navigate to a specific page. Please click "Teacher only pages", try it and let me know if you think this improves the navigation?...
Topic tests -
Thanks for your comment. This morning the tech team have adjusted the top menus. This adds the ability to open each of the main sections of the site and navigate to a specific page. I've added in image below, please try it and let me know if you think...
Topic tests -
Dear Iwona, Thanks for your comment. Am I correct in thinking that you would prefer to have the 40 topics in a list, A1.1, A1.2, A1.3 etc.? Is it the grouping that is making the navigation confusing?Best wishes, David
Topic tests
David
Site authorDear Samuel,Thanks for your comment. I've just posted model answers for these questions.https://thinkib.net/biology/page/72478/atp-structure-and-function-model-answersBest...
ATP a suspected cause of long covid (2025)