Why crows and similar species are so closely attuned to humans is a matter of debate.
乌鸦和近似物种为什么能与人类和谐共处？
His team has detailed the discovery of a similar species, Xiaotingia, which dates back 155 million years to the Jurassic Period.
他的团队已经把对一个相似的物种“郑氏晓廷鸟”的发现作了细节化处理。“郑氏晓廷鸟”的出现要追溯到1亿5500千万年前的侏罗纪时期。
This lungless salamander, which breathes through its skin, is one of three similar species RAEI scientists spotted in Ecuadorian forests.
这种无肺蝾螈靠皮肤呼吸，是RAEI小组在厄瓜多尔森林发现的三种类似种群的一种。
This would explain why the human genome has no trace of Neanderthal DNA despite the two similar species living close together for millennia.
这可能解释为什么人类的基因组没有尼安得特人的痕迹，即便这两个物种在一起生活了几千年。
It puts forward a new method for the art judgment and proper record of sport aerobics routine, and can be a reference of sports of similar species judgment.
从而为竞技健美操成套动作的艺术评判与适时记录推出了新方法，并为同类难美项群项目的艺术评判提供借鉴。
By the comparison of RAPD analytic results and its phenotypic characters, the importance of partial phenotypic characters were affirmed in discrimination of similar species of Lophodermium.
通过RAPD分析结果与表型性状的比较和分析，明确了部分表型性状在散斑壳属近似种区分方面的重要性。
Remarkably, despite significant differences in habitat and behavior, many species of lepidoptera have population cycles of similar length, between eight and eleven years.
值得注意的是，尽管鳞翅目昆虫在栖息地和行为上存在显著差异，但许多种类的鳞翅目昆虫的种群周期相似，在8到11年之间。
There is already some evidence suggesting that the ringed seal, a phocids species that is similar in size to the harbor seal, may also use a maternal foraging strategy.
已经有一些证据表明环斑海豹，即一种体型与港海豹相似的海豹科物种，可能也会使用母性觅食策略。
Studies on nonalien species have not produced similar results, leading researchers to speculate that avian social learning may be fundamentally different from that of mammals.
对非外来物种的研究没有得到类似的结果，这使得研究人员推测鸟类的社会学习能力可能与哺乳动物的社会学习能力有根本性的区别。
Species with similar DNA sequences for these genes are generally more closely related to each other than to species with less-similar DNA sequences.
与DNA序列不太相似的物种相比，这些基因的 DNA 序列相似的物种之间的关系通常更密切。
Many species are similar enough that hybrid offspring are possible and may often occur in nature, but for the majority of species, this rule generally holds.
许多物种非常相似，因此有可能杂交繁衍出后代，而且这种情况可能经常在自然界中发生；但对于大多数物种来说，这一规则大体适用。
This should hold especially true for species that are physiologically similar to people and live in proximity to them.
这种影响对那些在生理上与人类相似且靠近人群生活的物种应该尤其成真。
The findings may have broad implications for halting the spread of similar diseases in other animals and for understanding cancer progression across species.
该发现对于中止其他动物身上类似疾病的传播和了解肿瘤的跨物种演化可能具有更深的意义。
And in these two places, so similar yet so unlike, these two species of beings who were so very unlike, were undergoing the same work, expiation.
在这两个非常相似而又截然不同的地方，两种绝不相同的人却在完成同一事业：补偿罪孽。
This tells us that the genetic control of sleep duration may well be based on similar mechanisms in a wide range of highly diverse species.
这就告诉我们说在睡眠时间的遗传控制问题上，可能很多种的物种上都存在著类似的机制。
And musical ability is similar to language in that you can see aspects of it in other species.
和语言能力相似是，我们也不难发现其他物种也具备一定的音乐能力。
By understanding which genetic changes have been consolidated in the Belgian blue, it may be possible to design and build similar versions of other species using genetic engineering as a short-cut.
通过认识比利时蓝牛中哪些基因变化得到加强，便可能利用基因工程这个捷径，设计和培育出其他物种的类似品种。
Species similar to those at whale falls may have depended on dead Marine reptiles for hundreds of millions of years.
与鲸鱼尸体构成的生态系统类似的物种可能依靠着亿万年来死去的海洋爬行动物的尸体生存。
This task was meant to be similar to learning about animal species in a biology lesson. It used aliens in place of actual species to be certain that the participants could not draw on prior knowledge.
这项任务旨在模拟生物课上学习动物种类的过程，它之所以用外星生物代替实际物种，是为了确保测试者不会凭借其原有的知识进行记忆。
In an example of what's known as convergent evolution, geographically isolated and genetically distinct species developed similar characteristics because they were adjusting to similar environments.
这是趋同进化的一个例子：间隔十万八千里，基因不同的物种，为了适应相似的外部环境，越来越趋于同质化了。
Darwin noted that all these species were similar to those found in South America. But, they all had differences, or adaptations, that helped them survive in the environment of the Galapagos Islands.
达尔文注意到，所有这些蜥蜴都和在南美发现的蜥蜴相似，但他们都很不一样，或者说改变了，从而使它们在加拉帕哥斯群岛的环境中生存下来。
Typically, these are regions with a rich diversity of species that all face a similar threat to their environment.
通常情况下，这些地区的物种丰富多样，然而今天它们的生存环境都面临着同样的窘境。
You could have two genuine species, whose members cannot interbreed, but whose genomes are very similar.
你可能有两个纯正的物种，两者无法通婚，不过他们的基因组非常相近。
The species of microbes were also similar to those found in other polar environments, such as Arctic peat or tundra.
所发现的微生物种类也与其它极地环境如北极的泥炭或苔原相似。
They isolated the importance of temperature by studying only female beak length and comparing species with similar diets living in different climates.
为了将温度的重要性孤立来看，他们只研究雌鸟的喙长，并将生活在不同气候但拥有相似食性的鸟类进行对比。
"Such a decline is likely to be widespread as the species is under similar pressures elsewhere in Papua New Guinea," she added.
“这种数量的下降很可能是广泛存在的，因为这一物种在巴布亚新几内亚的其它地区也面临着类似的生存压力，”她补充说。
"Such a decline is likely to be widespread as the species is under similar pressures elsewhere in Papua New Guinea," she added.
“这种数量的下降很可能是广泛存在的，因为这一物种在巴布亚新几内亚的其它地区也面临着类似的生存压力，”她补充说。
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