A study into the genetic make-up of giraffes has discovered there are four distinct species.

对长颈鹿基因组成进行的研究发现共有四种不同的品种。

Though they expected to uncover a couple dozen bugs, they turned up more than a thousand distinct species.

虽然他们预料到会发现几十种虫子，但最后却发现了1000余种不同的物种。

In reality, these are two distinct species — similar in shape and size, but never appearing at the same time.

事实上，这是两种不同的物种——形状和大小相似，但从来不会同时出现。

DNA analyses in Namibia found the four groups have not crossbred for million of years and therefore evolved into distinct species.

在纳米比亚进行的DNA分析发现，这四个品种过去数百年没有杂交，因此进化成不同的品种。

My research has shown that king cobra is actually four distinct species, not one, as everyone thought.

我的研究表明，眼镜王蛇实际上是四种不同的物种，而不是像大家认为的那样是一种。

But the California forests are made up of a greater number of distinct species than any other in the world.

但是，加利福尼亚森林由比世界上任何其他地方都多的独特物种组成。

These remarks of Schiodte's it should be understood, apply not to the same, but to distinct species.

应该理解，Schiodte 的这些评论并不适用于相同的物种，而是适用于不同的物种。

Prevailing for around 270 million years and encompassing more than 20,000 distinct species, trilobites are some of the most successful lifeforms in Earth's history.

它们在地球上存活了约两亿七千万年，包含超过两万种不同的物种，三叶虫是地球历史上最成功的生命形态之一。

Among  cypress trees and tangled mangroves live more than 50 distinct species of reptiles, including snakes,   lizards, and crocodiles, Titanoboa's natural prey.

在柏树和错综复杂的红树林中，生活着 50 多种不同的爬行动物，包括蛇、蜥蜴和泰坦巨蟒的天然猎物鳄鱼。

So that here we have perfect, or even more than commonly perfect fertility, in a first cross between two distinct species.

因此，在两个截然不同的物种之间的第一次杂交中， 我们在这里拥有完美的， 甚至比通常更完美的生育能力。

Down in sheltered lake hollows, on beds of rich alluvium, it varies so far from the common form as frequently to be taken for a distinct species.

在有遮蔽的湖洼中，在丰富的冲积层上，它与常见的形态相差甚远，以至于经常被认为是一个独特的物种。

We have also already seen that there is the closest similarity in all respects between first illegitimate unions and first crosses between distinct species.

我们也已经看到， 在不同物种之间的第一次非法结合和第一次杂交之间， 在所有方面都有最接近的相似性。

But why do you think that people living in your community throughout India, throughout Southeast Asia need to know about this, that there are four distinct species of king cobra?

但你为什么认为生活在整个印度、整个东南亚社区的人们需要知道眼镜王蛇有四种不同的种类？

So again it has been shown that generally the embryos of the most distinct species belonging to the same class are closely similar, but become, when fully developed, widely dissimilar.

因此，再次表明，属于同一纲的最不同物种的胚胎通常非常相似，但当完全发育时， 就会变得非常不同。

Nor should it be forgotten, when we look to the special parts of allied species, instead of to distinct species, that numerous and wonderfully fine gradations can be traced, connecting together widely different structures.

也不应忘记， 当我们着眼于近缘物种的特殊部分而不是不同物种时， 可以追踪到无数非常精细的等级， 将截然不同的结构连接在一起。

On the islets of the little Madeira group there are many insects which are characterized as varieties in Mr. Wollaston's admirable work, but which would certainly be ranked as distinct species by many entomologists.

在马德拉群岛的小岛上， 有许多昆虫， 它们在 Wollaston 先生令人钦佩的著作中被描述为变种， 但肯定会被许多昆虫学家列为不同的物种。

So with plants, the seeds of the different varieties of the bean or maize probably differ more in size than do the seeds of the distinct species in any one genus in the same two families.

因此，对于植物，豆类或玉米的不同品种的种子在大小上的差异可能比同一两个科中任何一个属的不同物种的种子的差异更大。

He would find that they yielded only about one-fifth of the proper number of seed, and that they behaved in all the other above specified respects as if they had been two distinct species.

他会发现它们只产生了正常数量的五分之一左右的种子，而在上述所有其他方面， 它们的表现就好像它们是两个不同的物种一样。

That many breeds produced by man have to a large extent the character of natural species, is shown by the inextricable doubts whether many of them are varieties or aboriginally distinct species.

人类培育出的许多品种在很大程度上具有自然物种的特征，这一点可以从无法摆脱的疑问中看出， 其中许多品种是变种还是原始独特的物种。

But what concerns us is that the domestic varieties of the same species differ from each other in almost every character, which man has attended to and selected, more than do the distinct species of the same genera.

但我们关心的是， 同一物种的家养变种在几乎每个性状上都彼此不同，人类已经注意和选择了这一点， 这比同一属的不同物种之间的差别更大。