【案例背景及意义】本堂课的主题是北师大版生物学八年级上册第十五章第一节《动物在生物圈中的作用》,尝试以引导学生自主、合作学习为主体的教学。作为一名青年教师,开展公开课进行教学研讨交流,以更好地提高分析能力和业务水平。【课堂写真】这是一堂公开课,我怀着紧张的心情来到班级。这是一个乖巧的班级,想必学生也是紧张拘谨,表现定不如平时自在 【Case Background and Significance】 The theme of this lesson is the teaching of “The Role of Animals in the Biosphere” in Chapter 15 of Chapter 8 of the 8th grade of Biology of Beijing Normal University, and tries to guide students to independent and cooperative learning as the main teaching. As a young teacher, open class teaching and discussion exchanges to better improve the analytical skills and professional level. [Class photo] This is an open class, I came to the class with a nervous mood. This is a well-behaved class, presumably students are nervous, the performance will be better than usual