There are a few things that can effect population size, some of them are lack of food sources or water sources, mortality rate, natural disasters, wildfires, diseases, and the birth and death rate.
Density-dependent limiting factor: A limiting factor whose effects depend on the size of the population depend on population density. The less dense the population, the less severe the effect of the limiting factor. Examples: Predation and disease Density-independent limiting factor: A limiting factor that has the same effect on a population regardless of its population density. Examples: Natural disasters and climate
Limiting factors whose effects increase as the size of the population increases are known as density-dependent factors. Competition is an example of a density-dependent limiting factor.
A population size decrease is the usual response in the population size of many species to a density-independent limiting factor. Not enough food is an example of a limiting factor.
Size of population
limiting factor
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limiting factor
a limiting factor
There are quite a few biotic factors that affect the size of a population in an ecosystem. Grass is one of these factors.
A density-independent limiting factor is a factor that affects a population regardless of its size or density. These factors include natural disasters like wildfires, hurricanes, and droughts, which can reduce population size even if the population is small.
Temperature