人教版高中生物必修三第四章——种群与群落,开篇又一次提到了种群的概念,对种群概念的深入理解是搞好后续教学的关键,因为第四章已属于生态学知识,应引导学生从宏观水平上去认识生命现象和生命活动规律。第一讲:我首先让学生通过阅读,找到了种群的概念,然后请学生谈谈这一概念中的要点是什么。高中阶段的学生很容易就抓住了概念中的三个要点:①一定 People’s Education Edition High School Biology compulsory third chapter fourth - population and community, opened again and again referred to the concept of population, the concept of population in-depth understanding is the key to follow-up teaching, because the fourth chapter already belongs to ecological knowledge, should Guide students from a macro level to understand the phenomenon of life and the law of life activities. Lecture # 1: I first ask students to read through to find the concept of a stock and ask students to talk about what is important in this concept. High school students can easily grasp the concept of the three main points: ① Certainly