natural selection
名词自然选择，物竞天择说
1. 自然淘汰：1943年他们发表了一篇重要的论文,该论文阐明了:当细菌对病毒体产生抗拒,则这些抗拒态乃是由於突变(Mutation)及自然淘汰(Natural selection)而产生的.
1. (生物的)自然选择，物竞天择，适者生存
Natural selection is a process by which species of animals and plants that are best adapted to their environment survive and reproduce, while those that are less well adapted die out.
e.g. Natural selection ensures only the fittest survive to pass their genes on to the next generation.
自然选择确保只有最适应环境的物种得以存活下来，把基因传给下一代。
1. " It's impossible for giant pandas fed in captivity to survive through natural selection, " Xinhua quoted a zoo keeper as saying.
2. The principle of species change through natural selection was set down by Charles Darwin.
3. It was only after Darwin's The Origin of Species was published the following year that the significance of the theory of natural selection sank in.
4. Darwin's " The Origin of Species " outlined his theory of natural selection, the foundation for the modern understanding of evolution.
5. As we delve into DNA sequences, we can see natural selection acting at the level of genes.
6. The selection of Nature's Seven Natural Wonders is currently the subject of global online voting.
7. But what " natural selection " means when it comes to Homo sapiens is hard to define.
8. ZEN is unique in its signature menu and paired with vast selection of fine wine, and natural Chinese tea.
9. So random events would play a more dominant role than natural selection in humans.
10. " The park should respect this natural selection, " the researcher said.
noun
1. a natural process resulting in the evolution of organisms best adapted to the environment