自然科学都有个共性,大都以实验为基础,而各种理论、结论、观点都是通过反复实验总结出来的。生物学科作为自然科学中的一部分,自然也具备这样的特性,它的发展过程是一个实践到理论,再到实践,然后得出结论的循环过程。因此,开展实验课程很有必要,既能加深学生学习的基础知识,又能提高学生观察、动手、思考等各方面的能力和综合素养。而在日常教学工作中的 Natural science has a common nature, most of them based on experiments, and various theories, conclusions and opinions are summed up through repeated experiments. As a part of the natural sciences, biology has its own characteristics. Its development is a cyclic process from practice to theory, to practice, and then to conclusion. Therefore, it is necessary to carry out experimental courses, which not only deepens the basic knowledge of students ’learning, but also enhances students’ ability and comprehensive ability in observation, practice and thinking. And in everyday teaching work