认识论认为,实践产生认识,认识反过来又指导实践。客观世界是不断运动和发展的,因此人们的认识也要不断发展。生物科学作为一门基础自然科学,与人们的生产、生活实际有着密切的联系。理论只有密切联系实际才能不断地发展,焕发出勃勃生机,才能实现理论的归宿。新课程改革要求教 Epistemology believes that practice generates knowledge, which in turn guides practice. The objective world is constantly moving and developing, so people’s understanding must also continue to develop. As a basic natural science, biological science has a close relationship with people’s production and living reality. Only when the theory is closely linked with the reality can it be continuously developed and full of vitality, in order to achieve the goal of the theory. New curriculum reform requires teaching