Scientists surveyed a species of ground beetle at three sites along a peninsula that extends northwards into the sea. The northern site is at the tip of the peninsula.
| Site | Average annual temperature in 1990 (°C) | Average annual temperature in 2025 (°C) | Beetles caught per 100 traps in 1990 | Beetles caught per 100 traps in 2025 |
|---|---|---|---|---|
| Southern | 12.0 | 13.4 | 48 | 6 |
| Central | 10.5 | 11.9 | 30 | 42 |
| Northern | 9.0 | 10.4 | 2 | 36 |
Using the data, explain the change in the distribution of the beetle. Predict what could happen to biodiversity on the peninsula if temperatures continue to rise.
84 exam-style questions on AQA GCSE Biology 7.3 Biodiversity and the effect of human interaction on ecosystems, covering 7.3.1 Biodiversity, 7.3.2 Waste management, 7.3.3 Land use, 7.3.4 Deforestation, 7.3.5 Global warming, and 7.3.6 Maintaining biodiversity. Each one has a worked solution and a mark scheme showing where the marks go.