A student recorded the number of organisms of six species in two equal-sized areas of a wildlife garden.
| Species | Number in area P | Number in area Q |
|---|---|---|
| Common daisy | 30 | 12 |
| White clover | 0 | 10 |
| Perennial ryegrass | 20 | 14 |
| Earthworm | 7 | 6 |
| Woodlouse | 0 | 8 |
| Garden snail | 5 | 4 |
A disease causes one species in each area to decline.
Explain which area is likely to remain more stable. Use the data in your answer.
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.