How do limiting factors most affect population size? stop population growth restrict population growth increase population size result in positive impacts

The correct answer is "restrict population growth".

Explanation:

In ecology, limiting factors are defined as variables that can restrict population growth of a certain species. The limiting factors of a population could be abiotic such as temperature, humidity or environmental pressure; or they can also be biotic, including presence of predators, presence of pathogens or availability of food. Any condition that restricts the rate at which a population growths within a region is considered a limiting factor.

The limiting factor in an ecosystem restricts the population growth.

Further Explanation:

In a natural population, some factors like water, food, space, and nutrient should be available in the environment to achieve a healthy population. Any alteration in these factors can affect the growth of the population. Lack of space and fewer food sources are referred to as a limiting factor. These limiting factors can increase the death rate and decrease the birth rate and also promote emigration.  

When an organism is facing limiting growth, it shows logistic growth. Competition for resources such as space and food affects the growth rate. The population stops increasing and eventually restricts population growth. The limiting factor evaluates the carrying capacity in a population. If limiting factors are not available means the population has enough food, space, and water, then they show exponential growth. In this, as population size increases, the rate of growth is also increasing.

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Answer Details:

Grade: High School

Subject: Biology

Chapter: Population

Keywords:

Environment, population, logistic growth, competition, food, water, source, fewer, less, increases, limiting. Size, factor.