The book was “On the Origin of Species”. And the challenge was the theory of evolution by natural selection.
这个人就是查理斯•罗伯特•达尔文，这本书叫做《物种起源》，而发起的挑战则是基于自然选择说的进化论。
According to Darwin's theory, evolution occurs because the environment naturally weeds out the weaker species.
达尔文的理论认为，物种在自然环境中优胜劣汰，进化由此产生。
The past theory on genetic load starts off with equilibrium of population to investigate the evolution of species on realistic level.
以往的遗传负荷理论从种群平衡出发，探讨现实发生水平上的物种进化。
English natural scientist whose 'On the Origin of Species' formulated a theory of evolution by natural selection (1809-1882).
英国博物学家（1809-1882），他的《生物起源论》阐明了自然选择的进化论学说。
English natural scientist whose 'On the Origin of Species' formulated a theory of evolution by natural selection (1809-1882).
英国博物学家（1809-1882），他的《生物起源论》阐明了自然选择的进化论学说。
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