摘要
本文从生物的量变与质变、遗传与变异、生物发展中否定之否定规律的作用等不同侧面。论述了生物发展的辩证法,阐明唯物辩证法揭示了生物的发展是生物系统的保持与变化这两个方向相反趋势的矛盾的统一,对于推动生物科学和遗传育种学的研究,对于保护生态环境的平衡,对于工农业生产和医药卫生事业的发展,都有重大的理论和实践意义.
In the different aspects of biological change in quantity and quality;inheritance and variance;the function of the negation-of-negation law in biological development,this paper discusses the dialectics of biological development,and clarifies that materialisti dialectics reveals that biological development is the contradictory integration of the main ano evolution of biological system,which are two trends in the opposite directions.It is of great significance in the theory and practice in promoting the research on biology and genetic breeding;protecting the balance of ecological environment;developing industrial and agricul- tural production;instructing medical science.
关键词
生物
发展
辩证法
biological
development
dialectics
