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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, Germany

This year is my first year teaching IB Biology. The InThinking Biology site has proven to be immensely valuable to the quality and delivery of my lessons.

Karin Hartog, D Y Patil International School, Belgium

These InThinking Biology activities are excellent! I was looking for something to break the monotony of a cells lesson so I tried the Cell types detective activity. Students loved it. Both the situation and the examples were brilliant

Amit Khanna, Jakarta Intercultural School, Indonesia

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Biology is everywhere, can't you see it?

15 December 2018

When students say that they don't have any idea what they would like to investigate for their Individual investigation, I'm surprised. "What... more

Approaches to teaching Biology - ATL

2 December 2018

I've thought for a while that one of the transferable benefits of students learning a musical instrument is the coaching they get in how to... more

Subscriber comments


  • 17 Feb Agata Tarasek
    Gene Linkage 2.
    Dear David, Jessica is right. I think the animation has been changed. The authors replaced the scarlet eyes trait with normal/vestigal wings. The new trait is easier to spot for the students, but it makes the worksheet very confusing. Could...
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  • hello - I cannot access the game shown in the video - it there a link you could share here? thanks
  • 14 Feb David Faure
    Mitosis and the Cell Cycle
    Hi Karine, Thanks for your comment? I've reparied this link to mitosis. Best wishes, David
  • 14 Feb David Faure
    Lab protocols for new IB guide
    Dear Karine, You don't need to use a specific lab, any protocol you like is OK. The questions ask about lab techniques in a general way, not specific to any given methods. Hope that helps, David.
  • 14 Feb David Faure
    Extracting DNA Experiment.
    Thanks Marcy, I've replaced the broken link. Best wishes, David
  • 14 Feb David Faure
    Electron Transport Chain.
    Dear Adam, Thanks for your comment, The revision sheet helps to give students a good summary of the details before or after playing the game. I think it improves the activity. I made the sheet recently, but I must have been distracted before...
  • 14 Feb David Faure
    Proteins SL Quiz 2.4
    Dear Allison, Thanks very much for your comment, I have replaced these questions with a new set. Best wishes, David
  • 14 Feb David Faure
    Hormonal control in plants
    Dear Alvaro, Thanks for your message. The links had moved. I have repaired one and replaced the other. Best wishes, David
  • Dear Maria, Thanks for your question. There are a couple of places where poor work from the student in one place will have an impact on another mark. One good example is in the Analysis: If the interpretation is incorrect, then it is likely...
  • 14 Feb David Faure
    Annotating IA Investigations
    Dear Chuck, Thanks for sharing your response from the IB forum. It's useful and helps us to understand the rationale behind the teachers' support material. Best regards, David