Inside the slug, about 1 percent of the amoebas turn into police.
在鼻涕虫体内，大约1%的阿米巴原虫变成了警察。
When the slug is ready to make a stalk, more amoebas must die so that others can live.
当鼻涕虫准备好要形成柄时，会有更多的阿米巴原虫必须死去，这样其他的才能存活。
变形虫羸小而目所难及。
Fourth Place: Deprived amoebas.
第四名：被剥夺的变形虫。
When the amoebas find a pathogen, they devour it.
一旦发现病原体，就会把它吞噬掉。
Amoebas turn out to be great places to seek out new viruses.
变形虫变成寻找新病毒的好场所。
For one thing, most of the amoebas that form a slug are closely related to one another.
其中的一个原因是，形成“鼻涕虫”的大部分阿米巴原虫彼此关系密切。
The charismatic megafauna may get all the attention, but it's amoebas, nematodes and microbes that make up the bulk of life on Earth.
魅力十足的巨型动物可能抓住了所有人的眼球，但是变形虫，线形虫还有微生物才是地球上占大多数的生命。
Any of several parasitic amoebas of the genus entamoeba especially e. histolytica causing dysentery and ulceration of the colon and liver.
内变形虫，内阿米巴一种内变形虫属，尤其是内变形虫属中一种寄生性变形虫，引起痢疾及结肠和肝的溃疡。
Microscopic parasites include single-celled protozoans such as amoebas and sporozoa, fungi, and bacteria, which can infect animals and plants.
显微镜下可见的有单细胞原生类寄生虫，例如阿米巴和孢子虫，真菌及细菌，这些均能感染动物及植物。
Today, biologists no longer think of Dictyostelium as an embryo: It is more like a society of amoebas that come together for a common cause, for which some will sacrifice themselves.
今天，生物学家不再把盘基网柄菌视为一个胚胎：它更像为了共同的事业聚集起来的一群阿米巴原虫，为了这份事业一些甚至甘愿牺牲自己。
Today, biologists no longer think of Dictyostelium as an embryo: It is more like a society of amoebas that come together for a common cause, for which some will sacrifice themselves.
今天，生物学家不再把盘基网柄菌视为一个胚胎：它更像为了共同的事业聚集起来的一群阿米巴原虫，为了这份事业一些甚至甘愿牺牲自己。
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