AQA GCSE Combined Science: Synergy · 8465
Specification 4.4.2.3 · Paper 1, Paper 2
Revise: Factors Affecting CommunitiesInterspecific competition occurs when different species compete for the same limited resource. If one obtains that resource more successfully, it may increase while the other declines. Grey squirrels introduced into Britain in the nineteenth century compete with native red squirrels for food and nest sites.