| 1. | The species is the unit of evolution . 物种是进化的单位。
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| 2. | Competition between species is frequency-dependent . 物种之间的竞争是频率制约的。
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| 3. | 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。
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| 4. | Two distinct species are hidden under the same dress . 两个不同的种隐藏在同一外衣之下。
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| 5. | the unionized sulfur species is in water. 溶于水中非电离形式的硫即。
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| 6. | Some associations of species are almost a form of commensalism . 有些种类的组合几乎是共栖的形式。
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| 7. | Such species are referred to by the general term electrophiles . 这种物品就是一般听说的亲电试剂。
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| 8. | The oothecae of this species were abundant in late may and june . 这个物种的卵囊在5月下旬至6月最多。
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| 9. | Only a few species are capable of surviving in isolated pockets . 仅有少数树和得以在隔离的隐蔽处残存下来。
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| 10. | Facies of species are often connected with extreme or disturbed habitats . 植物种的群常与严酷或干扰的生境有联系。
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