Last edited 06 Oct 2022


The term abiotic describes the non-living components or abiotic factors in a system as opposed to the biotic factors (which are living). They are chemical and physical parts of the environment that impact living organisms in the functioning of ecosystems and underpin biology as a whole as well as ecology.

Globally there are numerous abiotic components of any ecosystem, such as atmospheric conditions and water resources which in turn cause numerous chemical or physical processes, such as hydrolysis which can impact the conditions of living or biotic components. For example climate change is an abiotic process which interacts with biotic components that cause significant changes in ecosystems as a whole and impact life within those systems.

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