What is an ecosystem? An ecosystem consists of the interaction between living organisms,and their relationship to non-living components 生态系统(ecosystem)就是在一定空间中共同栖居 着的所有生物（即生物群落）与其环境之间由于不断 地进行物质循环和能量流动过程而形成的统一整体。 In essence,ecosystems describe the flow of energy and cycling of chemicals through that system.7 What is an ecosystem? An ecosystem consists of the interaction between living organisms, and their relationship to non-living components 生态系统 （ecosystem ecosystem）就是在一定空间中共同栖居 ）就是在一定空间中共同栖居 着的所有生物（即生物群落）与其环境之间由于不断 着的所有生物（即生物群落）与其环境之间由于不断 地进行物质循环和能量流动过程而形成的统一整体。 地进行物质循环和能量流动过程而形成的统一整体。 In essence, ecosystems describe the flow of energy and cycling of chemicals through that system