Definition: the way in which living things change and develop over millions of years Level: B2
达尔文提出了进化论。
Darwin developed the theory of ___evolution.
我们不应该干预自然进化。
We should not interfere with natural ___evolution.
物种数百万年的进化是由自然选择驱动的。
The ___evolution of species over millions of years is driven by natural selection.
