Darwin's theory of emotion

例句：

1. 1. The theory of evolution by natural selection proposed by Charles Darwin revolutionized our understanding of the origins of life on Earth.
   查尔斯·达尔文提出的自然选择进化论彻底改变了我们对地球上生命起源的理解。
2. 2. Darwin's theory of natural selection is widely accepted as a fundamental explanation for the diversity of life on Earth.
   达尔文的自然选择理论被广泛接受为解释地球上生物多样性的基本原因。
3. 3. The theory of natural selection has been tested and confirmed through numerous scientific experiments.
   自然选择的理论通过无数的科学实验得到了验证和证实。