易混淆的单词： Daphnia

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What 's more , the hybrids remained the dominant daphnia species decades after pollution control measures brought nutrient levels back to normal .

此外，这些杂交品种在污染控制手段使营养水平回复到正常的数十年间依旧保持着优势水蚤品种的地位。

Using samples from two european lakes , swiss researchers studied a century 's worth of eggs buried deep in the sediment by two species of daphnia , a tiny crustacean .

瑞士的研究者从两条欧洲的河流中抽取样本，研究由两种水蚤（一种微小的甲壳类生物）掩埋于沉淀深处的卵。

Often studied by scientists who want to learn about the effects of pollution and environmental changes on water creatures , the almost-microscopic freshwater daphnia is the first crustacean to have its genome sequenced .

这种近乎微观的淡水水蚤常常被科学家研究，用于了解污染和环境变化对水生生物的影响，这是首个经过基因测序的甲壳类生物。

Daphnia has a large number of never-before seen genes , as well as a big chunk of the same genes found in humans , the most of any insects or crustacean so far known to scientists .

水蚤有大量之前从未见过的基因，也有一大堆在人类身上就发现的相同基因，其数量是至今科学家所知的昆虫或甲壳类生物中最多的。

" More than one-third of daphnia 's genes are undocumented in any other organism -- in other words , they are completely new to science , " said don gilbert , coauthor and department of biology scientist at iu bloomington .

“超过三分之一的水蚤基因是在其他任何生物体上都没有记录到过的换句话说，在科学上，它们是全新的，”印第安那州布卢明顿大学生物学院的科学家兼合作者dongilbert说。