(ecology) a group of interdependent organisms inhabiting the same region and interacting with each other WordNet 3.0 & Open English WordNet

A biocenosis, coined by Karl Möbius in 1877, describes the interacting organisms living together in a habitat. Wikipedia

In ecology, a community is a group or association of populations of two or more different species occupying the same geographical area at the same time, also known as a biocoenosis, biotic community, biological community, ecological community, or life assemblage. Wikipedia

All the interacting organisms living together in a specific habitat Wikipedia Disambiguation

A collection of populations of different species Wikipedia Disambiguation

Populations of two or more species in a given area Wikidata

A community or natural assemblage of organisms; often used as an alternative to ecosystem but strictly is the fauna/flora association excluding physical aspects of the environment. OmegaWiki

Study of the ecology of organisms, populations, communities or systems. OmegaWiki

A living collection of life forms that are found together, interacting as a community within an ecosystem. Wiktionary

A community of interacting organisms that form a natural ecological unit. Wiktionary

Community of organisms. Wiktionary (translation)

A group of interdependent organisms inhabiting the same region and interacting with each other. Wiktionary

( ecology) group of interdependent organisms. Wiktionary (translation)