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1教材分析全日制普通高中《生物》必修第二册“生态系统的稳定性”这部分内容,是学生在学习了生态系统的概念、类型、生态系统的结构和功能以及生态系统是如何通过物质循环和能量流动建立起联系形成统一整体的基础上设置的。其要点内容是:生态系统的结构和功能总是处于不断变化
1 textbook analysis Full-time ordinary high school “Biology” compulsory Volume II “ecosystem stability” This part of the content, students learn the concept of ecosystem, type, structure and function of the ecosystem and how the ecosystem through the material Circulation and energy flow establish a connection based on the formation of a unified whole set. The key points are: The structure and function of ecosystems are always changing