Which trophic level is always drawn at the bottom of a pyramid of biomass?
The level that contains the producers.
The level that contains the apex predator.
The level that contains the most organisms.
The level that has the smallest total biomass.
61 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.