Unit 3 – Energy, Homeostasis & Environment

Notes || Questions by Topic

This topic is examined in the A Level Unit 3 Paper for WJEC Biology (Welsh Spec).

Notes:

1. Importance of ATP

2. Photosynthesis

3. Respiration

4. Microbiology

5. Population Size and Ecosystems

6. Human Impact on the Environment

7. Homeostasis and the Kidney

8. The Nervous System