Agroup of interdependent organisms and nonliving factors they depend on is the definition of a(n)
biome
ecosystem
habitat
niche

A group of interdependent organisms and nonliving factors they depend on is the definition of an ecosystem. 

The answer is an ecosystem.

The ecosystem is a group of interdependent organisms and non-living factors they depend on. The group of interdependent organisms is called biotic factors, and non-living factors are abiotic factors. These two factors interact each other.A biome is a region with animals and plants with a common characteristics due to a similar climate.Habitat is an area inhabited by a particular species.Niche is the role and position of species in the environment.