A plant species grows in two neighbouring countries. The countries started a joint conservation scheme to protect it. The plants were counted in the same survey areas before the scheme and five years later.
| Country | Number of plants before the scheme | Number of plants five years later |
|---|---|---|
| A | 180 | 260 |
| B | 240 | 310 |
Explain why the countries might decide to continue the scheme, and state one challenge they may face in continuing it.
Use data from the table and give one benefit of conserving the plant in your answer.
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.