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A-Level Biology OCR A

Population Intraspecific Competition Density Dependent Size Decrease Explain

Intraspecific competition is a density-dependent biotic factor because if population size is too high, resources become limited, causing a population decrease, which is directly caused by the high density.

La competizione intraspecifica è un fattore biotico dipendente dalla densità perché se la dimensione della popolazione è troppo alta, le risorse diventano limitate, causando un calo della popolazione, che è direttamente causato dall'alta densità.

Front Explain why intraspecific competition is an example of a density dependent biotic factor.
Back Intraspecific competition
  • If population size too high, resources will be limited and there will not be enough available for all organisms to survive
  • Population will decrease in size 
  • Decrease in population size is directly caused by it being high - density dependent

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