A species of lizard lives on a dry island and eats insects. Researchers record conditions on the island that could affect the lizard population.
Which of these is a biotic factor affecting the lizard population?
The light intensity at midday
The mean daytime air temperature
The number of insects available as food
The mean wind speed during the day
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.