Red squirrels and grey squirrels both eat hazelnuts. Grey squirrels can also digest acorns, which red squirrels cannot digest. Both species live in a wood containing oak trees and hazel trees. Which conclusion about competition is best supported by this information?
Grey squirrels have a wider range of food, so they compete more successfully
Red squirrels have a wider range of food, so they compete more successfully
The two species compete equally because both of them eat hazelnuts
The two species do not compete because they eat completely different foods
63 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.