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Biology
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Berlin, Germany, 30 October - 1 November 2026
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Environmental systems and societies: A focus on internal assessment
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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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“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.
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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"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
"This year is my first year teaching IB Biology. The In Thinking Biology site has proven to be immensely valuable to the quality and delivery of my lessons."
Karin Hartog
D Y Patil International School
Subscriber comments
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Dear 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 -
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)
Shannon
Thanks David! Thyose are a big help. My students usually have no previous experience with hexagon activities, so early in year one it helps to have a few models so they see what we are going for. (And using them on a provided illustration...
Virus structure & function (2025)