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一、前言地球物质在自身特性与各种天体因素相互作用的过程中不断变化,经过漫长的时间,产生了生命;生命物质又在自身遗传信息的继承性与生存环境的改造作用相对抗的过程中,继续不断变化,产生了新的物种,淘汰着旧的物种,构成了生物的演化。生物的演化系列存在于时间序列之中,它受到时间因素的影响,但其分支系统不受人为时间划分的限
I. INTRODUCTION In the course of the interaction between its own characteristics and all kinds of celestial factors, the evolution of the earth’s material has changed over a long period of time and life has been opposed. In addition, the inheritance of the genetic material in life has been opposed to the transformation of the living environment Continue to evolve, produce new species, eliminate the old species, constitute the evolution of biology. The series of biological evolution exist in the time series, it is affected by the time factor, but its branching system is not limited by the artificial time