There are six teaching topics and a practical skills topic:
* Indicates the inclusion of synoptic assessment.
Students must complete either the foundation tier (paper 1 and paper 2) or the higher tier (paper 3 and paper 4) to be awarded the OCR GCSE (9-1) in Biology A (Gateway Science).
Students develop their understanding of how the ideas of biology can describe the complex and diverse phenomena of the natural world in terms of a small number of key ideas which are of universal application.
The topics are: