On heathland, leaf beetles feed on heather plants. Spiders eat the leaf beetles, and common lizards eat the spiders.
Which description applies to the spider?
It feeds on a primary consumer.
It feeds on a secondary consumer.
It feeds directly on a producer.
It feeds on a tertiary consumer.
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.