ecosystem

https://doi.org/10.1351/goldbook.14619
Grouping of organisms (microorganisms, plants, animals) interacting together, with and through their physical and chemical environments, to form a functional entity within a defined environment.
Source:
PAC, 2009, 81, 829. (Glossary of terms used in ecotoxicology (IUPAC Recommendations 2009)) on page 873 [Terms] [Paper]