“物竞天择,适者生存”是“进化论”的核心观点。达尔文先生认为,生物之间存在着生存斗争,适应者生存下来,不适者则被淘汰,这就是自然的选择。生物正是通过遗传、变异和自然选择,从低级到高级,从简单到复杂,种类由少到多地进化 “Natural selection, survival of the fittest ” is “evolution ” core point of view. Mr. Darwin believes that there is a struggle for survival between living things, that the fittest survive and that those who are ill are eliminated. This is a natural choice. Biology is through genetic, mutation and natural selection, from low to high, from simple to complex, from less to more species evolution