Edexcel

GCSE Biology revision notes

Written to the Edexcel specification, one set of notes per sub-topic, each with practice questions at the end.

32 sub-topics covered so far.

1 Key concepts in biology

2 Cells and control

3 Genetics

4 Natural selection and genetic modification

5 Health, disease and the development of medicines

6 Plant structures and their functions

7 Animal coordination, control and homeostasis

8 Exchange and transport in animals

9 Ecosystems and material cycles