Definition of ecosystem

An ecosystem is a community of beings living whose vital processes are interdependent. The development of these beings live takes place on the basis of the physical factors of the environment that they share. Ecosystems contain all biotic factors (plants, animals and micro-organisms) of an area as well as abiotic factors of the surrounding environment. It is therefore a unit of interdependent organisms forming trophic or food chains (the current of energy and nutrients between the species of an ecosystem from their nutrition).
The concept of ecosystem occurred during the 1930s to explain the complex interaction between the agencies, the flow of energy and materials, and the community where they live.
More species are many (i.e., greater biodiversity is), the greater is presented by ecosystem resilience. This is possible thanks to the best possibilities of absorption and reduction of environmental change.
The concept of habitat is associated to the ecosystem. Habitat is the physical location of the ecosystem, a region offering the natural conditions necessary to subsistence and reproduction of the species.
The ecological niche, on the other hand, is the means by which an organization binds to the biotic and abiotic factors of the environment through several physical, chemical and biological conditions.
It is necessary to take into account that an ecosystem has resulted in a situation of equilibrium that changes over time and involves the constant adaptation of species that inhabit.