Can this be updated to include the more recent exam results? Currently only up to 2022.
Grade boundariesHave any answers about these activity？
Range of tolerance lab (2025)The concentration of H+ ions increases, the blood becomes more acidic, meaning the pH decreases (drops below the normal resting level of approximately 7.4).
C3.1 Integration of body systems - topic testHello! Where can we find the answers to the worksheet? Thank you!
Describing communities (2025)Hi there, The interactive map is not available.
BiomagnificationSame question :)
D4.2 Stability & change - planning sheetHi, I am looking for the student friendly objectives for this topic? Thank you!
C4.1 Populations & communities - planning sheetHi, all hyperlinks on this site are not working. Could you please fix that? Thanks!
IB DP Biology - IntroductionHi, I'm having trouble playing video clips in Activity 2. I submitted an email address as per the instructions, but it still doesn't work.
D1.3 Commercial genetic tests - reading activity
Richard
Site authorLara Good morning. This table was designed to easily show the range of variation in grade boundaries. It is best to look at subject reports, particularly as there are now 3 exam variants.
Grade boundaries