Things that prevent a population from growing any larger.

Density-dependent limiting factor

Both living and non-living things can influence the size of a population of organisms.

Density-independent limiting factor

Any factor limiting the size of a population whose effect is not dependent on the number of individuals in the population.

an interaction between organisms or species in which the fitness of one is lowered by the presence of another.

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Term	Definition
Limiting Factors	Things that prevent a population from growing any larger.
Density-dependent limiting factor	Both living and non-living things can influence the size of a population of organisms.
Density-independent limiting factor	Any factor limiting the size of a population whose effect is not dependent on the number of individuals in the population.
Competiton	an interaction between organisms or species in which the fitness of one is lowered by the presence of another.