在高中生物必修三教学中,稳态和反馈的概念在已有知识基础上应该有次整合。新课标在内容的选取上有主有次。在个体水平上,主要有人体内环境的稳态,人体及动物生命活动的调节也大都以人体内环境稳态调节为例。在群体水平上,主要是种群数量的变化和生态系统的稳定性。 In the high school biology compulsory three teaching, the concept of steady state and feedback should have sub-integration based on existing knowledge. The new curriculum standard in the selection of the main content. At the individual level, there are mainly the steady state of the human body environment, and the regulation of human and animal life activities mostly takes the homeostasis of the human body as an example. At the group level, it is mainly the change in population and ecosystem stability.