KS4 Biology: Trilogy



The resources available on this page will help to support you in your studies of the Biology discipline of the AQA Trilogy GCSE (8464).

The specification available is taken from the AQA website and is correct as of 05 January 2020.

The Biology discipline of the Trilogy Specification is examined across 2 papers, each being 1 hour 15 minutes (75 minutes) in length.

Exam papers are sat at either Foundation of Higher tier.


Within the specification, some items are identified as Higher only.  These are points which will only appear on the Higher tier papers


Click the image of the specification to open a copy in a new window.



Paper 1 Content


The following topics can be assessed as a part of Paper 1.


1. Cell Biology

2. Organisation

3. Infection & Response

4. Bioenergetics

Paper 2 Content


The following topics can be assessed as a part of Paper 2.


5. Homeostasis & Response

6. Inheritance, Variation, & Evolution

7. Ecology

Common Content


The following topics are considered fundamental principles for the Biology discipline.

They may be examined on Paper 1 and / or Paper 2.


  • Cell biology
  • Mitosis
  • Meiosis
  • Sexual and asexual reproduction
  • Photosynthesis
  • Aerobic and anaerobic respiration
  • Metabolism
  • Material cycles in nature (carbon cycle and water cycle)