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Biology
IB DP Category 1
Berlin, Germany, 30 October - 1 November 2026
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Environmental systems and societies: A focus on internal assessment
IB DP Category 3
Paris, France, 13 - 15 November 2026
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Biology
IB DP Category 2
Paris, France, 13 - 15 November 2026
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Systems Thinking in the ESS Course
9 October 2026
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The new Extended Essay in DP Biology (first exams M27)
15 October 2026
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Teaching Statistics & Data Skills in DP Biology & ESS
3 November 2026
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12 October 2026
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15 October 2026
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Biology is now bigger than physics, as measured by the size of budgets, by the size of the workforce, or by the output of major discoveries; and biology is likely to remain the biggest part of science through the twenty-first century.
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12 Aug 2026
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"This site provides interesting and comprehensive teaching material which matches the IB standards of learning ."
Tishya Ghosh
SILVER OAKS INTERNATIONAL SCHOOL Sarjapur Bengaluru India
"Incredibly useful resource site - has probably saved me hundreds of hours planning. Plenty of links, worksheets and interactive resources that support the new IB course."
Sarah Jackson
Diocesan School for Girls
Subscriber comments
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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)