A scientist records feeding observations in a tropical glasshouse.
| Organism | Feeding observation |
|---|---|
| Tree frog | Eats caterpillars |
| Banana plant | Makes glucose by photosynthesis |
| Hunting spider | Eats caterpillars |
| Caterpillar | Eats banana leaves |
Explain why the tree frog is a secondary consumer.
The tree frog later eats hunting spiders instead of caterpillars. Explain which consumer level the tree frog now occupies.
83 exam-style questions on AQA GCSE Biology 7.2 Organisation of an ecosystem, covering 7.2.1 Levels of organisation, 7.2.2 How materials are cycled, 7.2.3 Decomposition, and 7.2.4 Impact of environmental change (HT only). Each one has a worked solution and a mark scheme showing where the marks go.