The new methods infer the closeness of any two species' relationship to each other directly from similarities between the species' genetic codes.
新的方法直接从两个物种的遗传密码之间的相似性推断出任何两个物种之间关系的密切程度。
Like when populations of the same species are isolated from each other and then develop into two different directions and end up as two distinct species.
例如,当同一物种的种群彼此隔离时,然后就会向着两个不同的方向发展,从而形成两个截然不同的物种。
The hybridization of mammoths may explain other fossils that look like intermediates between the two species.
混血猛犸可能解释其它看起来介于两个物种之间的化石。
The pink form, says Gentile, should be considered a third species, and is evolutionarily older than the other two species.
金泰尔说,我们应该把粉红色类型看作第三个物种,而且它比其它两个物种更早进化。
"But we didn't find this, so we think [the two species] have formed some kind of reproductive barrier to each other," Prof Saetre said.
“但是,我们没有发现这种麻雀,因此我们认为,这两个物种已经形成了某种彼此之间的繁殖障阻,”萨特尔教授说。
The two populations may even be splitting into two species. The blackcaps that winter in England tend to mate with each other when they return to Germany.
而这两个族群更有可能从此进化成两种不同的物种,那些冬季呆在英国的黑头莺在飞回德国繁衍后代时,更趋向于和“同道中鸟”喜结连理。
Two other exhibits dedicated to displaying various species of antelope are also closing.
另外两个专门展览各种羚羊的展馆也将关闭。
Even if a creationist does accept afossil as transitional between two species, he or she may then insiston seeing other fossils intermediate between it and the first two.
即便有神创论者承认某种化石对应两个物种之间的过渡物种,他仍然可能要求见到在该过渡物种和原有的两个物种之间的化石遗迹。
When he compared the results with those of other species, he discovered that two of the bug's genes encode enzymes involved in the production of a molecule called dopamine.
当他把实验结果同其他的物种所得到的结果进行对比时,发现有2对弓形虫基因编码酶卷进一个分子(多巴胺)的生成。
Two new species of dinosaur fossils, one a quick-moving meat-eater and the other a giant plant-eater, have been discovered in Antarctica, U.S. researchers said.
美国研究人员说,南极洲发现了两种新型恐龙化石,一种是移动迅速的食肉恐龙,另一种是巨型食草恐龙。
How would the two species deal with each other?
这两种不同类的生物会如何对待彼此呢?
In a true hybrid, the genetic material from the two species is mingled at conception, with half the chromosomes coming from one parent and half from the other.
在实际的融合过程中,由两个物种的遗传物质在概念上是可交融的,染色体的一半来自父母一方,一半来自另一方。
In Costa Rica, for example, the two most closely related species differ in color: One species is white and the other is yellow.
例如在哥斯达黎加,两种种群最接近的蝴蝶在颜色上存在差异:一种是白色,而另一种是黄色。
Scientists know a lot about the two lab-friendly species Physarum and Dictyostelium, but they still know very little about the many other slime molds on earth.
科学家对于实验室经常使用的两种黏菌—绒泡菌和盘基网柄菌—已经十分了解,对于地球上的其他黏菌却知之甚少。
Other than those receptors, the two vole species are almost entirely the same in their physical makeup.
除了这些化学受体,这两种田鼠在其他身体构成上几乎完全一致。
The other five species usually have only herbaceous plants available. They end up building tents that fall apart after less than two months.
另外5种蝙蝠通常只有草本植物可供利用,它们建造得帐篷会在完成不到两个月后崩溃。
At the meeting, TCM experts and wildlife scientists made similar cases against the captive breeding of musk deer as well as freshwater turtles, two other endangered species widely used in TCM.
在这次会议上,中医专家和野生动物的科学家提出了类似的情况下对圈养的麝以及淡水龟类,其他两个濒危物种广泛用于医药。
Two forest specialists showed significant increase in densities, one is native and the other is exotic species.
两种树林种类的密度有显著増加,其中一种是本土种,另一种是外来种。
Two new species of dinosaur fossils, one a quick-moving meat-eater and the other a giant plant-eater, have been discovered in Antarctica, U. S. researchers said.
美国研究人员说,南极洲发现了两种新型恐龙化石,一种是移动迅速的食肉恐龙,另一种是巨型食草恐龙。
The two animals are similar in appearance to each other, but they belong to different species.
这两只动物外貌很相似,但他们属于不同的种类。
Wine can also be made from other species of grape or from hybrids, created by the genetic crossing of two species.
酿造葡萄酒也可以选用杂交葡萄。这些杂交葡萄是由两个不同种属的葡萄交叉遗传而来的。
There were 20 plant species fell into 5 families and none of them was discovered in any sites of the other two wild rices growing in the site of O. rufipogon.
普通野生稻原生境植物共计20种,均为特有植物种,分属于5科,主要为禾本科和莎草科;
Moreover, the content of three pigment in the strongest winter species was significantly higher than the other two winter species from the beginning of differentiate period of stem.
而中等、弱冬性品种三种色素的峰值均出现在叶色转变后的花茎伸长期,最低值出现在花茎分化期。
Closely integrate the two can complement each other greatly enhance the efficiency of plant and animal species improvement.
将两者紧密结合,可相得益彰,大大地提高动植物品种改良的效率。
Closely integrate the two can complement each other greatly enhance the efficiency of plant and animal species improvement.
将两者紧密结合,可相得益彰,大大地提高动植物品种改良的效率。
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