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1·By competing with rodents for seeds, black ants help control rodent populations that pose a public health risk.

通过与啮齿动物争夺种子，黑蚂蚁有助于控制啮齿动物的数量，这些啮齿动物会对公众健康构成威胁。

2·It may also occur among totally unrelated forms that compete for the same resource, such as seed-eating rodents and ants.

它也可能发生在完全不相关的、争夺相同资源的组织中，比如以种子为食的啮齿动物和蚂蚁。

3·Interestingly, the island rule is reversed for small mammals such as rodents, for which gigantism is favored under insular conditions.

有趣的是，对于小型哺乳动物，如啮齿类动物，岛屿规则是相反的，因为在岛状条件下，巨头主义是有利的。

4·Take bubonic plague for example. The disease is most commonly transmitted to humans through flea bites, and the fleas live on rodents.

以黑死病为例。这种疾病最常通过跳蚤叮咬传染给人类，跳蚤生存在啮齿类动物上。

5·Interestingly, the island rule is overturned for small mammals such as rodents, for which gigantism is favored under insular conditions.

有趣的是，对于啮齿动物这样的小型哺乳动物来说，岛屿法则被推翻了，因为在岛状环境下，巨大的体型是最受欢迎的。

6·The ancient fecal material, or coprolite, was littered with seared prickly pear seeds and flecked with small bones from fish, birds, and rodents.

这块古代排泄物或粪化石，同烧焦的多刺梨种子散落在一起，点缀着来自鱼、鸟、啮齿目动物的小块骨头。

7·Numerous insects occupy the marsh, feeding on living or dead cordgrass tissue, and redwing blackbirds, sparrows, rodents, rabbits, and deer feed directly on the cordgrass.

许多昆虫占据着沼泽，以活或死的绳草组织为食，而红翼鸫、麻雀、啮齿动物、兔子和鹿直接以绳草为食。

8·Scientists first posed this question in the mid-1990s, after researchers came upon a chemical agent that in rodents seemed to reproduce many of caloric restriction's benefits.

科学家首次提出这个问题是在20世纪90年代中期。当时，研究人员偶然发现一种化学药剂，这种药剂在啮齿动物身上似乎可以发挥和热量限制相同的正面效果。

9·Strychnine is used to kill rodents and pyrrolizidine alkaloids have significant activity against microbes.

士的宁用于杀灭啮齿动物，而吡咯里西啶类生物碱则具有较强的杀菌活性。

10·But that was in rodents.

不过这些都是啮齿动物。