对概念的掌握和运用是生物教学的核心问题。实践表明,在概念教学中,如果按做出假设、列举事实、总结概念、深化概念的步骤教学,会更符合学生的认知特点,更有助于学生轻松形成生物概念。 The mastery and application of concepts are central to the teaching of biology. Practice shows that in the concept teaching, according to making assumptions, enumerating facts, summarizing concepts and deepening the concept of step teaching, it will be more in line with the cognitive characteristics of students and help students to easily form biological concepts.