Marram grass and grasshoppers live in some coastal dunes. The grasshoppers feed on the marram grass. Sand lizards begin living in the dunes and feed on the grasshoppers.
What is the most likely effect of the sand lizards arriving in the dunes?
Fewer grasshoppers and less marram grass
More grasshoppers and more marram grass
Fewer grasshoppers and more marram grass
More grasshoppers and less marram grass
82 exam-style questions on AQA GCSE Biology 7.1 Adaptations, interdependence and competition, covering 7.1.1 Communities, 7.1.2 Abiotic factors, 7.1.3 Biotic factors, and 7.1.4 Adaptations. Each one has a worked solution and a mark scheme showing where the marks go.