Biocenosis
Biocenosis is the idea that different species coexist in an enclosed habitat (usually called biotope). Biocenosis and biotope make up the ecosystem. Karl Möbius first used the term in 1877.
Biocenosis Media
A freshwater aquatic and terrestrial food web 
The side of a tide pool showing sea stars (Dermasterias), sea anemones (Anthopleura) and sea sponges in Santa Cruz, California
