释义 |
- n.自然选择;物竞天择
- 网络自然淘汰;自然选择学说;天择说
1. | 自然选择;物竞天择the process by which plants, animals, etc. that can adapt to their environment survive and reproduce, while the others disappear |
n. | 1. the process, according to Darwin, by which organisms best suited to survival in their environment achieve greater reproductive success, thereby passing advantageous genetic characteristics on to future generations. 2. the process by which the living things that are best able to grow and reproduce in their natural environment are the ones that usually pass these qualities through their genes to the new living things that they produce |
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