一、教学目的1.通过实验了解生态因子对动物产生的影响。增强保护环境的意识。2.培养学生的学习兴趣和探究热情。二、实验原理1.每种生物都有其适宜的生境,其生存环境决定于各种生态因子的条件。2.鼠妇的生活对各种生态因子如光照、温度以及湿度等在数量上都有喜好和适宜的范围。 First, the purpose of teaching 1. Through experiments to understand the impact of ecological factors on animals. Enhance the protection of the environment awareness. 2. Cultivate students’ interest in learning and enthusiasm. Second, the experimental principle 1. Each species has its own suitable habitat, its living environment depends on the conditions of various ecological factors. 2. The life of the chickens There are preferences and appropriate ranges for various ecological factors such as light, temperature and humidity.