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Definition of 'limiting factor'. limiting factor in American. an environmental factor that limits the growth or activities of an organism or that restricts the size of a population or its geographical range.
Best Answer: The limiting factors determine how many organisms can live in a given area. The living things in an environment are called biotic factors. These can be things such as Competitors, Predators, Decomposers, Population Density, and available food. The nonliving things in an environment are called abiotic factors. These can be things such as Soil Temperature, Air Temperature, Wind Speed, Sunlight Intensity, Soil Nutrients. Source(s):