一、教材依据《生态系统》是人民教育出版社七年级上册第一单元第二章第四节安排的内容。二、设计思想在教师的积极引导下,学生采用探究式学习法、讨论法。通过找生态系统中的生物和情景模拟等活动,提高发现问题、分析问题以及解决问题的能力。三、教学目标1.知识目标(1)能说出生态系统的组成;(2)能描述生态系统中的食物链和食物网;(3)认同生态系统的自动调节能力是有 I. Textbooks are based on the “ecosystem” is the contents of the fourth quarter of the first unit of the second edition of the seventh grade of the People’s Education Press. Second, design ideas Under the active guidance of teachers, students use inquiry-based learning, discussion methods. Through activities such as biology and scenario simulation in the ecosystem, the ability to find problems, analyze problems, and solve problems is improved. Third, teaching objectives 1. Knowledge objectives (1) can tell the composition of the ecosystem; (2) can describe the food chain and food network in the ecosystem; (3) identify the automatic adjustment ability of the ecosystem is