Ecologists recorded feeding relationships between organisms in a heathland.
| Organism | Observation |
|---|---|
| heather | makes biomass by photosynthesis |
| moth caterpillar | eats heather leaves |
| ground beetle | eats moth caterpillars |
| curlew | eats moth caterpillars and ground beetles |
Complete the table for the curlew when it eats each type of food.
| Food eaten by the curlew | Trophic level of the curlew | Name of trophic level |
|---|---|---|
| ground beetle | ||
| moth caterpillar |
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.