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abiotic factor

noun, Ecology
1.
a nonliving condition or thing, as climate or habitat, that influences or affects an ecosystem and the organisms in it:
Abiotic factors can determine which species of organisms will survive in a given environment.
Compare biotic factor.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Contemporary definitions for abiotic factors
noun

pertaining to any non-biological factors that play a role in an organism's environment; non-living environmental factors

Examples

A forest fire is an example of an abiotic factor.

Dictionary.com's 21st Century Lexicon
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