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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, New Zealand

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

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Backchannel collaborations

8 August 2017

We all know it is a good idea for students to come to our lessons prepared to participate and share their ideas. The best learning occurs when... more

Slow looking

1 August 2017

Slow looking is an approach to give students time to explore the details. There is no right or wrong, just for once. Follow the four steps... more

Educational games

5 July 2017

On the Inthinking Biology website there are several biological games which could make for a nice end of term activity. That's not to say that... more

Subscriber comments


  • Thank you!
  • 16 Aug David Faure
    Carbon based compounds.
    Dear Adrienne, You've asked on a good day, I've managed to write some model answers for you. See the link on the page, or navigate to them on the left hand menu. Best wishes, David
  • 16 Aug David Faure
    Eukaryotic Cell Ultrastructure
    Dear Tray, Thanks for your comment, the link is repaired now and I've improved the layout of the page a little too. Best regards, David
  • 16 Aug Tray Ambus
    Eukaryotic Cell Ultrastructure
    Hello, diagram activity link is not working.
  • 16 Aug Adrienne Higley
    Carbon based compounds.
    Hi there! I also am curious if you have a model answer sheet because this is my first time teaching the course. Thanks!
  • Dear Norkhalilie, Thanks for your comment. Here is a link to the article: You have to remove the 's' in the 'https' in the address bar if this happens again. I'm working on a solution to these links. Best wishes, David
  • 16 Aug Norkhalilie Zulkifli
    Endosymbiosis - Nature of Science
    Hi, somehow the linked article could be reach. Is there any alternative?
  • 16 Aug David Faure
    Disturbance vs Diversity
    Hi Euan, Yes that's it. The link in the page works as long as you take out the 's' in 'https'. Best wishes, David
  • 16 Aug David Faure
    The heart - planning sheet D.4
    Hi Euan, Yes it was. There is now a new data based activity on epidemiology. It may be useful to encourage students to do database type investigations. Best wishes, David
  • Hello David. Thank you for these resources! They are great. Further to Gord's comment in February, is there any progress with resources for C5/C6? Thank you.
  • 14 Aug Euan Gray
    Disturbance vs Diversity
    Could this be the paper?
  • 14 Aug Euan Gray
    Disturbance vs Diversity
    Hello, The 'ecology research paper' seems to redirect to a Breast Cancer information site.