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。
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。
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。
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。
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。
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。
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。
I'm not sure we've added much in the way of rodents.
我不是很确定我们有没有再增加啮齿类动物。
Both humans and rodents have similar brain physiology.
人类与啮齿动物的大脑具有相似的生理结构。
Some studies have linked saccharin to cancer in rodents.
一些研究显示糖精和啮齿动物的癌症有关。
For, besides humans, Toxoplasma has two normal hosts: rodents and cats.
因为除人类以外，弓形虫还有两个常规寄主：啮齿目动物与猫科动物。
In rodents, the protein that corresponds to LL-37 protects against brain infections.
在啮齿动物中，LL - 37一类的蛋白保护大脑不受感染。
Rinat Neuroscience had an experimental drug that sharply reduced appetite in rodents.
里纳特神经科学生物技术公司（Rinat Neuroscience）曾研制过一种实验性药物，可以急剧地降低啮齿类动物的食欲。
Bees, bats and rodents, to name but a few, can see what humans can't - ultraviolet light.
我们列举几种如蜜蜂，蝙蝠和啮齿动物等，它们可以看到人类看不到的紫外线。
Red wolves primarily prey on white-tailed deer, raccoons, rabbits, nutria and other rodents.
红狼通常以白尾鹿，浣熊，野兔，海狸鼠以及其它啮齿动物为食。
Vasopressin seems to be a key to attachment in male rodents. Oxytocin is the female equivalent.
加压素似乎是雄性田鼠形成依恋的主要因素，雌性则是中催产素。
Despite the colloquial use of the name, experiments involving rodents more often use mice or rats.
除了口语通俗说法以外，实验所用啮齿类动物往往是小鼠或大鼠。
Bad news for farmers and those afraid of rats and mice: rodents now have fewer predators to outsmart.
但对农夫或害怕各类耗子的人来说，这也是一条坏消息：因为啮齿动物的天敌更少了。
Since the rodents are afraid of humans, they often emit vocal alarm calls whenever a person approaches.
因为啮齿类动物惧怕人类，所以它们常常在人类接近时发出叫声警报。
Their report on a molecular means of erasing fear memories in rodents appears this week in Science Express.
他们的研究发表在本周《科学》杂志（Science Express）的预印本上，研究报告了擦除啮齿动物恐惧记忆的分子学方法。
Our findings... show conclusively that high estrogen levels inhibit the cognitive ability in female rodents.
我们观察的结论是，高雌激素水平抑制了雌性啮齿动物的认知能力。
As with the twins, the yoghurt bacteria did not change the composition of the rodents' resident communities.
同双胞胎一样，酸奶中的细菌并不能改变该啮齿动物的本身的菌群构成。
The lab rodents over-produce a human protein which ensures food is turned into heat, rather than stored as fat.
这些实验室里的啮齿动物超量产生一种人体蛋白质，这种蛋白质保证食物转化成热量而不是以脂肪形式储存。
Coffee contains at least 1,000 chemicals. Only 28 have been tested but 19 are known to cause tumours in rodents.
咖啡中至少含有1000种化学物质，其中只有28中被检测过，已知就有19种会在啮齿动物中导致肿瘤。
Mice bred to have extra copies of the rogue gene were healthy but ate more and became heavier than normal rodents.
经培养带有多余流氓基因的老鼠很健康，但是比正常老鼠吃得多，也更重。
They haven't seen any mark of insects, rodents and birds. Snails perhaps are the only creature eaten by the giant lizard.
研究人员在它们的栖息地发现各种水果核、无花果以及苦杏仁等，但没有任何昆虫、啮齿动物以及鸟类痕迹，蜗牛可能是这种巨蜥吃过的唯一一种动物。
Mice and rats remain the main animals for medical research, but the effects on rodents often do not mirror those in people.
家鼠和野鼠至今仍是医学研究中主要使用的动物，但在啮齿类动物身上呈现的效果并不会当然地同于人类。
Mice and rats remain the main animals for medical research, but the effects on rodents often do not mirror those in people.
家鼠和野鼠至今仍是医学研究中主要使用的动物，但在啮齿类动物身上呈现的效果并不会当然地同于人类。
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