Ground-dwelling beetles are often used as bioindicators of soil health in woodlands. A student wants to investigate the abundance of a particular species of ground beetle in a forest. Which two tools should the student use to capture and identify the beetles?
Quadrat and key
Pitfall trap and key
Sweep net and quadrat
Pooter and line transect
67 exam-style questions on OCR GCSE Biology 4.1 Ecosystems, covering 4.1.1 Cycling of materials in ecosystems, 4.1.2 Microorganisms in cycling materials, 4.1.3 The carbon and water cycles, 4.1.4 Factors affecting decomposition, 4.1.5 Levels of organisation in an ecosystem, 4.1.6 Abiotic and biotic factors affecting communities, 4.1.7 Interdependence and competition, 4.1.8 Trophic levels, 4.1.9 Pyramids of biomass, and 4.1.10 Efficiency of biomass transfers. Each one has a worked solution and a mark scheme showing where the marks go.