All food chains begin with the same type of organism. Which type of organism is this?
A decomposer, which breaks down dead plants and animals
A predator, which kills and eats other living animals
A producer, which makes glucose by photosynthesis
A consumer, which eats plants or other living animals
38 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.