伯吉斯页岩地层中也有许多代表着现代动物群中已经灭绝的物种的化石。
The Burgess Shale formation also has fossils of many extinct representatives of modern animal groups.
圣地亚哥动物园占地100英亩，有4000只动物，代表了800个物种；它们一起在一个地方。
The San Diego Zoo covers 100 acres and brings 4,000 animals, representing 800 kinds; together in one place.
奇怪的是，当这些马赛克被创造出来的时候，大多数所代表的物种并没有生活在塞佛瑞斯地区。
Oddly, most of the species represented did not live in the Sepphoris region when these mosaics were created.
因此，乌龟是曾经往返于陆地和水中生存的代表性物种。
而施瓦辛格的情况就不同了，他是共和党温和派的代表，而这一派有时被形容为濒危物种。
Not so in Schwarzenegger's case: he's an example of what is sometimes described as an endangered species, the moderate Republican.
1758年，卡尔·林奈第一次描绘的天鹅——大天鹅，一直被人们视为天鹅中的天鹅，天鹅物种的代表，也是所有天鹅完美无瑕的原型。
First described by Carl Linnaeus in 1758, Cygnus Cygnus can be considered a swan among swans, the type species, hence archetype, of all swans.
这些化石因鉴定错误而被人遗忘，后又在博物馆中被重新发现，它们代表了两种不同的滤食性大型鱼类物种，曾经游弋在地球上的海洋之中达一亿年之久。
Misidentified fossils that were forgotten and later rediscovered in museums revealed two new species of giant, filter-feeding fish that swam Earth’s oceans for 100 million years.
这些化石因鉴定错误而被人遗忘，后又在博物馆中被重新发现，它们代表了两种不同的滤食性大型鱼类物种，曾经游弋在地球上的海洋之中达一亿年之久。
Misidentified fossils that were forgotten and later rediscovered in museums revealed two new species of giant, filter-feeding fish that swam Earth's oceans for 100 million years.
“我们发现这些化石的地方在时间上仅是一个普通的时间点，并不代表这个物种是第一次出现，”他说。
150年来，一个物种叫“始祖鸟”已经被当作是第一只真正的鸟，代表着从恐龙进化后的一大步。
For 150 years, a species called Archaeopteryx has been regarded as the first true bird, representing a major evolutionary step away from dinosaurs.
这头体长达114英尺的恐龙也许代表着一种新的物种，尽管发现它的调查队小心翼翼地避免匆忙下结论，但仅凭它的体格就足以使里奥·德瓦在地图册中占有一席之地。
Up to 114 feet long, the dinosaur could represent a new species, although the team uncovering it is wary of jumping to conclusions — but its size alone is enough to put Riodeva firmly on the map.
一个旨在重新发现被认为灭绝的两栖物种的代表团收获了其第一个发现。
A mission aimed at rediscovering amphibian species thought to be extinct has yielded its first results.
四千个代表性物种，你看到我们在何处。
四千个代表性物种，你看到我们在何处。
科学家们相信六个物种代表了一个全新的珊瑚种类。
The scientists believe that six of the species may represent a completely new kind of coral.
注：图中的数字代表不同处理微生物种类相似度。
Note: Numbers in the figure represent different microbial species similarity.
很多物种是一些种群的唯一代表，否则这些种群早就灭绝了。西非的矮河马，它以稠而油的血汗被人们所知，是其种群的唯一成员。
Many of the species are the only representative of groups that have otherwise died out. West Africa's pygmy hippopotamus, known for its thick, oily "blood-sweat, " is the only member of its genus.
整体而言，所有这些物种的近四分之一都面临危险，并且超过第十个被列为濒危或者代表最大灭绝威胁的严重濒危。
Overall, nearly a quarter of all such species are threatened and over a 10th are listed as endangered or critically endangered, representing the greatest threat of extinction.
植物物种水平分异规律，基本上可由植物物种空间分布序列图来代表。
The spacial distribution serial chart of main plant species can stand for level differentiation regularity.
每一物种是全球自然界，以及所有大陆上和海洋内的形体中的全球代表。
Each species is global in nature, with global representatives in form on all continents or within the oceans. Most land species have relatives in the oceans that allow for a global physical presence.
河北山地植物种类丰富，区系成分复杂，在中国华北地区具有一定的代表性和十分重要的地位。
Abundant in plant composing and owning the complicated flora, Hebei Mountainous regions is on a very significant position and is a representative in North China flora.
图中数字所代表的物种名见 表1。
无法培养的大部分微生物可商榷地代表我们地球上最大的一群尚未探索的生物与化学新物种。
The "uncultivable" microbial majority arguably represents our planet's largest unexplored pool of biological and chemical novelty.
每个点代表一个物种，线条表示功能性状与多度的线性关系。
Every point stands for one species, the line stands for the linear relationship between the functional trait and species abundance.
战前，以棉花为代表的经济作物种植比率呈上升趋势，粮食作物呈下降趋势；
Prewar, represented by the cotton, industrial crops planting rate is on the rise, while the cereal crops shows a tendency to drop;
战前，以棉花为代表的经济作物种植比率呈上升趋势，粮食作物呈下降趋势；
Prewar, represented by the cotton, industrial crops planting rate is on the rise, while the cereal crops shows a tendency to drop;
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