An organism's ecological niche refers to its role in its particular environment, including all the ways it affects both its physical habitat and the other organisms within it. For instance, a predator has an effect on it... More »

The way an organism interacts with the other species in the same ecosystem and the way it utilizes available resources determines its niche. Where an organism lives and what it eats shows how it utilizes available resour... More »

According to the competitive exclusion principle, also known as Gause's Law, if two species occupy the same niche, they inevitably compete for the dominance of this niche until one of them brings about the extinction of ... More »

A niche is the role an organism fills within its environment. What and where an animal eats are considered part of its niche. For instance, some birds, such as woodpeckers, eat insects in trees. This limits the bug popul... More »

The niche that an organism occupies is the opening in the environment that the organism fills to make a living. A species' niche is its place in an ecosystem relative to the other organisms present. More »

A habitat is where an organism or a community of organisms lives, and a niche is the specific place an organism has in an ecosystem. A habit can help define the niche of particular creature but cannot describe it entirel... More »

An organism that eats other organisms, living or dead, is called a consumer. Consumers are known by other names, depending on the type of food consumed. Categories of consumers include the omnivores, the meat-eating carn... More »