n .
a community of organisms and their physical environment in which they live 유기체 집단과 그들이 살아가는 자연의 환경, 생태계

• The big muddy swamp is a complex ecosystem in which the fate of each species is inextricably linked with the fate of many others.
• Ecology is the science of the relationships between organisms and their environment.
• 형용사는 ecological