In the early 1900s scientists found that animals have circadian rhythms, too: they also are capable of maintaining a 24-hour-long activity pattern in the absence of external cues such as light.
在20世纪初，科学家们发现，动物也有昼夜节律：即使没有如光线之类的外部变化的提示，动物也能保持一个24小时的活动周期。
More worrying still is that the genes which confer this resistance are also showing up in bacteria found in other animals.
但大家该担忧的不只如此，因为某些动物身上的细菌也发现了抗药性基因。
But these aspects of human behavior, or "culture", can also be found in lives of certain animals.
但是，人类的这些行为，也就是“文化”，也能在某些动物的生活中发现。
And while animals aren't people, he says it is logical to make the inference that an effect found in rats may also apply to humans.
他说尽管动物不是人，但依此推断在老鼠身上发现的功效同样适用于人也合乎逻辑。
In its altitude 600-4000 meters there also found many rare species of plants and animals survived.
在他海拔600- 4000米中，还发现了许多世上稀有的植物和动物种类存活。
Geologists have found that plankton and molluscs were wiped out in vast Numbers and that land animals and plants were also affected.
地质学家们发现，当时浮游生物和软体动物大量消失，陆生动植物也受到了影响。
McNulty also fed the five bacterial strains from the yoghurt to 'gnotobiotic' mice — animals raised so that the only microorganisms that their guts contain are 15 species found in humans.
麦克那提也向“定菌”鼠饲喂了含这五种细菌的酸奶。定菌鼠，即肠道中只含有人类肠道中已知的15种细菌的小鼠。
McNulty also fed the five bacterial strains from the yoghurt to 'gnotobiotic' mice — animals raised so that the only microorganisms that their guts contain are 15 species found in humans.
麦克那提也向“定菌”鼠饲喂了含这五种细菌的酸奶。定菌鼠，即肠道中只含有人类肠道中已知的15种细菌的小鼠。
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