释义 |
自然选择zìrán xuǎnzé达尔文学说认为生物在自然条件的影响下经常发生变异,适于自然条件的生物可以生存、发展,不适于自然条件的生物被淘汰,这种适者生存的过程叫做自然选择。{natural selection; survival of the fittest; Darwin's theory of evolution which believes that organisms oft. undergo transformations under the influence of natural conditions, and those fit in with certain particular natural conditions can survive and evolve, while those that unfit are eliminated through a process of natural selection} |