EVERYDAY SCIENCE

Detailed explanation-1: -Density-dependent limiting factors tend to be biotic-having to do with living organisms. Competition and predation are two important examples of density-dependent factors.

Detailed explanation-2: -Density-dependent factors include disease, competition, and predation. Density-dependant factors can have either a positive or a negative correlation to population size. With a positive relationship, these limiting factors increase with the size of the population and limit growth as population size increases.

Detailed explanation-3: -The category of density independent limiting factors includes fires, natural disasters (earthquakes, floods, tornados), and the effects of pollution. The chances of dying from any of these limiting factors don’t depend on how many individuals are in the population.

Detailed explanation-4: -Density-independent factors often arise from physical and chemical (rather than biological) phenomena. Such factors stemming from weather and climate-as well as flooding, wildfires, landslides, and other disasters-affect a population of living things whether individuals are clustered close together or spaced far apart.

Detailed explanation-5: -Competition within the population. When a population reaches a high density, there are more individuals trying to use the same quantity of resources. Predation. Disease and parasites. Waste accumulation.