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Biology
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Berlin, Germany, 30 October - 1 November 2026
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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"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
"This site provides interesting and comprehensive teaching material which matches the IB standards of learning ."
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SILVER OAKS INTERNATIONAL SCHOOL Sarjapur Bengaluru India
Subscriber comments
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Dear Lauren, Thanks for your comment, you make a good point. The new Biology Data booklet for exams beginning 2028 contains a diagram of a single amino acid. Therefore if students are asked to describe the structure of a di-peptide (as question...
B1.2 Proteins - model answers -
Dear Elizabeth, Thanks for your comment. Yes, this update to the Ensembl site does change the look of things. I'll fix this as soon as I can.Best wishes, David
Genome Projects (2025) -
Do you think for students using the Biology Data Booklet, that Q4 is more like a one mark question now (correct peptide bond). Or add requirement to label groups.
B1.2 Proteins - model answers
David
Site authorDear Monira, Thanks for your request. I expect you a referring to activity 1, the labels for the Brain diagram. I'll add some model answers for this activity in the morning. Activity 2 and Activity 3 already have model answers, you can display...
The brain (2025)