The table shows all the feeding relationships in a desert food chain.
Organism
Organism it eats
hawk
snake
locust
desert plant
snake
gecko
gecko
locust
Which organism is the apex predator? Explain your answer.
[2]
Markscheme
7.4 Trophic levels in an ecosystem Questions
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.