Limiting Factors限制因子 Limiting Factors-a distinguishing chemical or physical factor that regulates the population growth of a species;more specific than any other factor Limiting Factor Principle-Too much or too little of any abiotic factor can limit or prevent growth of a population.even if all other factors are at or near the optimum range oftolerance. Limiting Factors Limiting Factors 限制因子 Limiting Factors - a distinguishing chemical or physical factor that regulates the population growth of a species; more specific than any other factor Limiting Factor Principle - Too much or too little of any abiotic factor can limit or prevent growth of a population, even if all other factors are at or near the optimum range of tolerance