An ecologist is investigating invertebrates that move over the soil in an orchard at night. The apparatus will be set up before sunset and checked the next morning.
Which apparatus is most suitable for this investigation?
a sweep net
a beating tray
a pitfall trap
a pond net
109 exam-style questions on OCR GCSE Biology 6.1 Monitoring and maintaining the environment, covering 6.1.1 Field investigation of distribution and abundance, 6.1.2 Human interactions and biodiversity, 6.1.3 Maintaining biodiversity, and 6.1.4 Environmental change and distribution of organisms. Each one has a worked solution and a mark scheme showing where the marks go.