《义务教育生物学课程标准》明确指出要让学生初步形成生物学基本观点、创新意识和科学态度,并为确立辩证唯物主义世界观奠定必要的基础。生物学是一门自然科学,研究的是生物的结构、功能、发生和发展的规律,以及生物与周围环境的关系的科学。中学生物学教学是从本质上促进学生从微观和宏观两个方面认识生命系统的物质和结构基础、发展和变化规律以及生命系统中各组分间的相互作用。由于生物学的内容繁多、理论抽象、较难记忆等 The Compulsory Education Biology Curriculum Standard clearly states that it is necessary for students to initially form a basic biological viewpoint, a sense of innovation and a scientific attitude, and lay the necessary foundation for establishing a dialectical materialist world outlook. Biology is a science that studies the laws of the structure, function, occurrence and development of living things, and the relationship between living things and the environment. Biology teaching in middle school is to promote students’ understanding of the material and structural basis, the law of development and change and the interaction among the components in the life system from the microscopic and macroscopic perspectives. Due to a variety of biological content, theoretical abstraction, more difficult to remember