Which of the following is an example of a density-independent factor limiting population growth? A. A forest fire that was caused by lightning B. The presence of predators C. An outbreak of wasting disease in elk D. Competition for food

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Answer;

A forest fire that was caused by lightning

Explanation;

-Density-independent factors are factors such as weather and climate, that exert their influences on population size regardless of the population's density. In contrast, the effects of density-dependent factors intensify as the population increases in size.

-Density-independent limiting factor have the same effect regardless of population size, for example - If there is a wild fire, the fire destroys all the animals in the forest regardless of how many animals there are. The fire does not care how big the population is.

Density-dependent and density-independent factors are the varying impacts, which affect the population growth of a given geographical region. Some of the factors are fires, natural and human-made disasters, and pandemics.

What are density-independent limiting factors?

  • The density-independent limiting factors are those factors, which affect the population regardless of the density of the population.

  • The density-independent factors include fires, floods, earthquakes, and other natural factors that affect population growth.

  • The death of individuals in a population is not dependent on these factors, and these limiting factors are not affected by the population size.

Thus, the density-independent limiting factor that can affect population growth is a forest fire caused by lightning.

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