Two lizard species live on a rocky hillside. Both species require territories and eat the same insects.
Conservation workers increase the area of suitable habitat so that there is enough territory for all the lizards.
Explain why competition could still limit the population sizes of the two lizard species.
82 exam-style questions on Edexcel GCSE Biology 9.1 Ecosystems and interdependence, covering 9.1.1 Levels of organisation in ecosystems, 9.1.2 Abiotic and biotic factors, 9.1.3 Importance of interdependence, 9.1.4 Parasitism and mutualism, and 9.1.5 Determining number of organisms in an area. Each one has a worked solution and a mark scheme showing where the marks go.