| 1. | The species is the unit of evolution .
物种是进化的单位。 |
| 2. | The species is commonly regarded as the base-paint .
种被普遍地看作是分类学的基本单位。 |
| 3. | Because of this, the characteristics of the species gradually change .
正因为如此，物种的特征逐步演变。 |
| 4. | The species in the broader (higher) sense is known as an aggregate .
广义的（或较高级的）种称为一个聚合种。 |
| 5. | Electrodes measure specific ionic species and not complexes of the species .
电极测定的是特定的离子形式而不是络合形式。 |
| 6. | The species has a long lifetime in the absence of etchable material .
当能刻蚀的材料不存在时，这些物种就具有较长的寿命。 |
| 7. | In one case, the species dies out completely and leaves no descendants .
一种方式是，一个种全部死光，一个后代也没有留下。 |
| 8. | The age at which this bisexual potential is completely lost varies with the species .
两性潜能完全丧失的年龄，因畜种而异。 |
| 9. | Of the species on this planet, man alone has inflicted upon himself most of his own suffering .
在这一星球的万物之中，人类的大部分痛苦是自己制造的。 |
| 10. | The species that make up natural ecosystems usually display a wide range of genetic variability .
构成自然生态系统的生物种，通常表现有较大范围的遗传变异性。 |
