Edexcel International A-level Biology Revision

On-Demand Maths Skills for A Level Biology Courses (AQA & OCR A)
Strengthen the maths skills you need for your science A Level ahead of the new term with our On-Demand Maths Skills for A Level Science Courses. Learn at your own pace with expert-led videos, interactive activities, and practice questions.

Separate courses for AQA and OCR (A), each focused on the maths required for that exam board — from calculations to data analysis and graphs. Start learning now!

For each of the units below, there are revision notes, questions from past exam papers separated by topic and other worksheets.

AS & A-Level

Unit 1:
Molecules, Diet, Transport and Health

Unit 2:
Cells, Development, Biodiversity and Conservation

Unit 3:
Practical Skills in Biology I

Unit 4:
Energy, Environment, Microbiology and Immunity

Unit 5:
Respiration, Internal Environment, Coordination and Gene Technology

Unit 6:
Practical Skills in Biology II