1. B4 – revision clips

2. Describe collecting and counting methods
small insects, e.g. ants
Small mammal trap
butterflies, etc
Pooter
small insects, e.g. spiders
Pitfall trap
voles, mice
Net

3. Ecology https://www.youtube.com/watch?v=iTSiTY2TSw8
Describe the mark release recapture technique
What assumptions must be made?
What is zonation and why does it occur?

4. Definitions

5. What are the differences?
Biodiversity?

6. Photosynthesis https://www.youtube.com/watch?v=pdgkuT12e14
Describe Priestley’s experiment
Describe Van Helmont’s experiment
What are the limiting factors?

8. Leaf adaptations Label the diagram
Explain the adaptations of a leaf

10. Osmosis
Describe osmosis