Carrying Capacity
The carrying capacity is the maximum population size of a species that an ecosystem can support. It is set by the supply of resources, such as food, water, space and light, and by other limiting factors in the environment.
When a species colonises a new area, its population usually grows in a pattern called a sigmoid (S-shaped) growth curve.
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More in Populations in Ecosystems
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All 20 lessons in Populations in Ecosystems · All AQA A-level Biology topics