3.2 Distribution of Organisms - Abiotic and Biotic Factors

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Vocabulary flashcards defining abiotic and biotic factors and listing examples for each based on the lecture notes.

Last updated 9:36 AM on 9/9/26

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Abiotic factor

A non-living component which can affect the organisms that live within an ecosystem and so affects biodiversity.

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Biotic factor

A living component which can affect the organisms which live within an ecosystem and so affects biodiversity.

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Examples of abiotic factors

Temperature, light intensity, soil moisture, pH (soil and water), as well as oxygen concentration.

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Examples of biotic factors

Grazing, number of predators, food availability, disease and parasites, and competition.