共生教学的树式课堂结构,更注重教学过程的生长性,特别重视教学现场中的教学价值和学习价值。树式课堂结构的状貌是共生原点、教学树干、生长枝叶构成课堂的繁茂之状。共生原点理论强调共生教学开展的出发点、激发点的作用,启发教师要善于创造有价值的共生原点;教学主干理论强调科学组合教学活动, Symbiotic teaching tree structure of the classroom, pay more attention to the growth of the teaching process, with particular emphasis on the teaching site teaching value and learning value. Tree appearance of the classroom structure is the origin of symbiosis, teaching trunk, growing branches and leaves constitute the lush state of the classroom. The theory of symbiosis origin emphasizes the starting point of symbiosis teaching and the role of stimulating point to inspire teachers to be good at creating the origin of symbiosis. The theory of teaching backbone emphasizes the combination of science teaching activities,