Home of real teaching & learning
- Full support for teachers
- Focus on critical thinking
- Engaging classroom activities
- Integrated student eBook
- Assessed tasks / qBank
- Practice exam questions
The InThinking Guarantee: Our sites are written by expert practitioners and not by AI
See our AI policyDisclaimer: InThinking subject sites are neither endorsed by nor connected with the International Baccalaureate Organisation.
Don't miss out, find out!
- Free trials Take out a one month free trial today!
- Newsletters Subscribe to our FREE subject site newsletters.
Recommendations
Read what users are saying about the site.Video overview
Site authors
IB Approved Workshops
Environmental systems and societies: A focus on internal assessment
IB DP Category 3
Virtual (IB Approved), 25 - 27 September 2026
Find out more
Biology
IB DP Category 1
Berlin, Germany, 30 October - 1 November 2026
Find out more
Environmental systems and societies: A focus on internal assessment
IB DP Category 3
Paris, France, 13 - 15 November 2026
Find out moreVirtual Think-Ins
Extended Essay Essentials for EE Coordinators
Virtual Think-In, 17 September 2026
Find out more
The Experimental Scheme of Work in DP Biology for schools with limited resources
Virtual Think-In, 24 September 2026
Find out more
Systems Thinking in the ESS Course
Virtual Think-In, 9 October 2026
Find out more
Find all InThinking events at
inthinking.net
Quote of the day
Everything that human beings or living animals do is done by protein molecules. And therefore the kind of proteins that one has and therefore the ability one has is determined by the genes that one has.
InThinking
Supporting international schools with high quality PD & interactive online resources
Creative
Personal
Selected student pages
See allMost popular
See allBlog
Free
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"I love the topic quizzes... so very helpful!!"
Emma Nason
KAUST schools
"These are excellent resources, ideas and insights for teaching DP Biology. Very useful and user friendly. Totally worth it."
Joao Paulo Ricchio
American School of Rio de Janeiro
Subscriber comments
-
Could there be a suggested dichotomous key for Activity 2 please.
Biodiversity of species & DNA -
I don't have a smart whiteboard. I am just projecting the slides and talking about it. Anyother way people are using this?
Condensation & Hydrolysis. -
Question 3 appears to have no correct answer.
C2.2 Neural signalling - model answers
Faye
I can't access any of the resource content - I could last night, but now it is just the overall wheel that I can see! Help please :-)
Organisms level resources (A3,B3,C3,D3)