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在进化论的生物科学中,正确地理解物种的概念,具有巨大的意义.正如恩格斯所说:“没有物种的概念,整个科学(指生物科学——仁杰注)便都没有了.科学的一切部门都需要物种概念作为基础:人体解剖学、胚胎学、动物学……等等,如果没有物种的概念,还成什么东西呢?不但这些科学部门的一切成果要发生问题,而且简直要被废弃了.”但是,在进化论的历史中,生物学家们迄今还没有完满地解决关于物种的科学定义.
In the biological science of evolution, it is of great significance to correctly understand the concept of species, as Engels said: "Without the notion of species, there is no science as a whole (science of biology). Departments need the concept of species as a basis: human anatomy, embryology, zoology ... and so on, what else would it be if there were no notions of species? Not only were all the achievements in these science departments problematic but were simply discarded But, in the history of evolution, biologists have so far failed to satisfactorily solve the scientific definition of species.