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Assessment
IA results table - common errors fixed
Sometimes the data doesn't fit neatly into a results table. This is a common error, and it is easily fixed. This page goes through a few problems which are often seen in IA results tables, and shows...
Assessment
Internal assessment (IA) Free
The IA is an Individual investigation marked by the teacher and moderated by the IB. It is intended as a creative, meaningful student investigation. The only time in the DP Biology course where you get...
Assessment
IA results table - presentation
The presentation of the raw data of an experiment has to follow some conventions. Having a clear title for the table is the first, but describing the numbers clearly and in detail is also important. This...
Assessment
IA - student checklist
At the end of the IA writing its normal to receive written feedback once on a draft investigation report. To make best use of this feedback it's ideal if all the sections have been included in the report....
Assessment
External assessment - overview
At the end of the DP Biology course all students take three paper examinations. This counts for 80% of the assessment for the course. There is no data booklet in exams up to November 2027 but from May...
Assessment
External Assessment (Exams) Free
At the end of the DP Biology course all students take three paper examinations. This counts for 80% of the assessment for the course. There is no data booklet in exams up to November 2027 but from May...
Activities
Overproduction - model answers
Overproduction of offspring Mosquitoes lay their eggs in wet mud or water often by ‘dabbing’ – flying low over the water and bobbing down to the surface to lay eggs one at a time. Females can lay up to...
Activities
Explain natural selection - model answers
This page shows suggestions of model answers for the activity Explain natural selection activity on the page Variation & overproduction These illustrate good students answers and are great for marking,...
eBook
C4.1 Populations & communities
Theme C - Interaction and interdependence & Level 4 - Ecosystems This topic provides lots of opportunity for ecological practical work, including random quadrat sampling and capture-mark-release-recapture. ...
eBook
D4.1 Natural selection
Theme D - Continuity and change & Level 4 - Ecosystems This topic explores the process of evolution by natural selection. It includes the different types of selection, stabilizing, directional and disruptive...