一个原始物种可能已经适应了利用一个岛屿上特定的生态位，然后在水上迁徙到其他岛屿定居。
An ancestral species might have adapted to exploit a particular ecological niche on one island and then traveled over water to colonize other islands.
考虑到地球上的生命的非凡多样性，一定存在着形成物种的机制：从一个原始物种演变为两个物种。
Given the extraordinary diversity of life on the planet, there must be mechanisms for speciation: the formation of two species from one original species.
岛上大约95%的原始物种存活了下来。
这些可能是原始的细菌，其近亲物种曾经在亿万年前繁荣过。
These may be primitive bacteria whose close relations are known to have thrived billions of years ago.
在这些最新被过度开发污染的缺氧海域中，胜利者是那些构造简单的原始生命形式；然而，失败者则是那些经历了漫长进化过程的物种。
The winners in these newly polluted, over-exploited, oxygen-starved seas are simple, primitive forms of life, whereas the losers are the ones that have taken aeons to develop.
对于数以百万计的物种和土著人来说，这将是灭绝的信号，因为它将激励砍伐原始森林，以便为开垦种植园消除障碍。
For millions of species and indigenous peoples, this would signal extinction as it would incentivise deforestation of ancient forests and pave the way for plantations.
还有努比亚长颈鹿，有些科学家认为它们可能是与动物原祖关系最近的物种，植被稀疏而酷热的大草原就是它们原始的栖息之所。
There are Nubian giraffe that some scientists think may be the closest to the animal’s original ancestor; the sparse savannah and thick heat are its original habitat.
只有造林学家才能看出这片森林不是原始森林，几乎所有的原有物种都回到这里。
Many places in the park you need to be a silviculturist to know you're not in virgin forest. Almost all the original species are back.
当我们投入回去1亿6000万年前到1亿5000万年前的侏罗纪末期时，会发现这些不同物种的所有原始成员都长得非常相似。
When we go back into the late Jurassic, 150-160 million years ago, all the primitive members of these different species are all very similar.
该地区只有25%的原始栖息地完好无损，163种生活在喜马拉雅山东部的物种被定为全球范围内受威胁的物种。
Only 25% of the original habitats in the region remain intact and 163 species that live in the Eastern Himalayas are considered globally threatened.
原始人类是指所有的穴居人，古猿，智人，直立行走的类人猿等，而我们是唯一幸存的类人猿物种。
Hominids are all the Neanderthals, australopithecines, Homo habili, Homo erecti, etc., the upright-walking apes of which we are the only surviving species.
与更原始的物种相比，他们照相机似地眼睛已经已经不仅仅只具有光敏视觉了，或许这种古老的鱼类是最早一批想要进化的更复杂的物种之一。
These ancient fish may have been among the earliest animals to evolve more complex, camera-like eyes as opposed to the strictly photosensitive vision possessed by more primitive species.
原始人类中任何一个灭绝的猿物种和我们的关系都比黑猩猩更密切。
A hominid is really any extinct ape more closely related to us than the chimpanzee.
例如，DNA研究就显示古代人类的祖先也曾进行杂交，尼安德特人的基因很可能已被我们的基因库所吸收，而他们做为不同的原始人类物种却已经消失。
DNA studies, for example, suggest that our ancient human ancestors interbred, with Neanderthals possibly being absorbed into our gene pool and disappearing as their own distinct hominid species.
生物能源的生产如今是印度尼西亚和马来西亚毁林的主要原因之一。在这些地区，几千万公顷的原始森林遭到破坏，猩猩和其他野生物种濒临灭绝。
They are now among the major drivers of deforestation in Indonesia and Malaysia, wrecking tens of millions of hectares of primary forest and driving orang-utans and other wildlife towards extinction
楚伊不再是原始的物种，而成为一个可以修理和驾驶一架复杂飞船的老练的角色。
Instead of being primitive, Chewie was shown to be a sophisticated character, capable of repairing and flying a complex starship.
他们计划捕捉几只象龟，根据其携带的平塔岛象龟和弗罗里安那象龟dna数量进行区分，并对遗传学上最接近原始物种的象龟进行人工哺育。
Their plan was to capture and separate tortoises with high levels of Pinta and Floreana DNA, and then breed animals that are genetically closest to the original species.
你是否认为，在原始宇宙之先，就已经有物种的存在呢？可是那是不可能的。
Do you think that there is species before the original universe has come into being? It is impossible.
长江北岸的老山国家森林公园，山峦起伏，物种丰富，原始森林密布。
The hills of the Laoshan National forest Park on the northern Banks of the Yangtze are rich in species and covered with virgin forest.
人类农业文明之前的原始社会是在自然法则支配下的社会，人作为自然物的一员也是按照自然法则行事，物种间和谐有序。
Primitive society before agricultural civilization is ruled by law of nature, in which people as part of nature acted upon law of nature and members were harmonious and orderly.
你是否认为，在原始宇宙之先，就已经有物种的存在呢？
Do you think that there is species before the original universe has come into being?
他们是泰坦早期计划中所创造的最终进化为人类的原始物种的一个分支，但他们变得有些邪恶。
They were part of the Titan's early plans for creating the original race that ultimately became humans, but they have turned slightly evil.
从蚂蚁群落相似性系数来看，4种植被亚型的原始林和次生林蚂蚁物种的组成均具有显著差异。
According to the Jaccard similarity coefficient, the composition of the ant species all has distinct difference between primeval and secondary forests of the 4 vegetation subtypes.
如果新的物种太强大，占用过多聚居地的资源的话，一些原始的物种就会受到损害。
If the new species is too strong or USES too much of the resources in the habitat, some of the original species may become endangered.
如果新的物种太强大，占用过多聚居地的资源的话，一些原始的物种就会受到损害。
If the new species is too strong or USES too much of the resources in the habitat, some of the original species may become endangered.
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