This Study Mind Tutorial covers the following specification points:
AQA: 3.1.1
OCR: 2.1.2
Edexcel A: 1.12
Edexcel B: 1.1
CIE: 2.2
We also have specific A-level Biology courses for AQA, CIE, OCR, Edexcel on https://courses.studymind.co.uk/