Ecosystem X contains 5 species of plant. Ecosystem Y contains 40 species of plant.
A drought kills most of one species of grass that grows in both ecosystems.
Which prediction is most likely to be correct?
Both ecosystems will lose the same number of animal species because the same grass was affected
Ecosystem X will be less affected because fewer plant species compete for the remaining water
Ecosystem Y will be less affected because its animals depend less on any single plant species
Ecosystem Y will be more affected because more species of animal feed on the grass there
49 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.