The table gives feeding evidence from a heathland.
| Organism | Feeding evidence |
|---|---|
| Heather | Makes biomass by photosynthesis |
| Heather beetle | Eats heather |
| Ground beetle | Eats heather beetles |
| Common lizard | Eats heather beetles and ground beetles |
Which two trophic levels can the common lizard occupy? Explain how the feeding evidence supports each answer.
103 exam-style questions on AQA GCSE Biology 7.4 Trophic levels in an ecosystem, covering 7.4.1 Trophic levels, 7.4.2 Pyramids of biomass, and 7.4.3 Transfer of biomass. Each one has a worked solution and a mark scheme showing where the marks go.