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Biology
IB DP Category 1
Berlin, Germany, 30 October - 1 November 2026
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Biology
IB DP Category 2
Paris, France, 13 - 15 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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Quote of the day
Evolution is a fact in the same sense that it's a fact that the Earth is round and not flat, [that] the Earth goes round the Sun. Both those are also theories, but they're theories that have never been disproved and never will be disproved.”
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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”...
Recommendations
See all"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
"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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Is it possible to make the one-pager at the top of this page available, please? It is way too small to read as posted. Thank you.
Internal assessment (IA) -
Very sorry to hear this - I enjoyed several Bio thinkins with Richard leading.
Richard Scarr -
Dear Sarah, The IB's teachers' support material on myIB has a range of IA's with moderators comments and marks. There are some without annotations, that you could use like this with students.Best wishes, David
The Investigation
David
Site authorDear Isabel, Thanks for your comment. I've changed the image you refer to so that it will open up into a whole screen if you click it, but the text is still too small to read. This is really just a graphic to show an overview of an IA.I'm working...
Internal assessment (IA)