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Biology
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Berlin, Germany, 30 October - 1 November 2026
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Paris, France, 13 - 15 November 2026
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Environmental systems and societies: A focus on internal assessment
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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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Particle physics does in fact deal with the simplest objects in the entire universe: atoms ... At the opposite extreme, biology takes on the most complex things known to humanity: organisms made of billions of cells, and ecosystems whose properties are affected by tens of thousands of variables.
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5 Oct 2026
Richard Scarr
It is with great sadness that we have to announce the passing of Richard Scarr. He was always an enthusiastic biologist and a dedicated educator. After reading Biology at Kings College in London he taught...
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”...
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See all"I love the topic quizzes... so very helpful!!"
Emma Nason
KAUST schools
"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."
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Diocesan School for Girls
Subscriber comments
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Dear Faye,There has been an technical update to improve the appearance of pages, this hides the left hand menu. If you zoom out it reappears. Sorry for the inconvenience I will add page links to the bottom of the page just to be sure. This...
Organisms level resources (A3,B3,C3,D3) -
Dear Eugenia, Thanks for your message. All the links for the documents are on the left hand column which seems to disappear now, if you are zoomed into the page, or in presentation mode. When you zoom out the links reappear. I'll try to...
Organisms level resources (A3,B3,C3,D3) -
Thanks for your precision Monira, Much appreciated. Best wishes, David
D4.3 Climate change - model answers
David
Site authorDear Lauren, I have just tested a dichotomous key activity with my IB2 class. I will post it here asap.Best wishes, David
Biodiversity of species & DNA