A rare species of wildflower grows on only one hillside. The number of these plants has fallen because parts of the hillside are being ploughed to grow crops.
Which action would best protect the population of the wildflower on the hillside?
storing the wildflower's seeds in a seed bank
adding fertiliser to the hillside so the wildflower grows faster
spraying insecticide to kill insects that feed on the wildflower
making the hillside a nature reserve protected by law
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.