These adaptations served their descendant well as they invaded land.
这些适应机制在它们的后代进化成陆生生物时起了很好的协助作用。
The evolutionary history of plants has been marked by a series of adaptations.
植物的进化史以一系列适应性变化为标志。
These adaptations allowed an increasing diversity of plant forms to exploit dry land.
这些适应机制保证了植物形态多样性的不断增加，以便它们开拓干旱的陆地。
lt's just a matter of certain adaptations in their anatomies, specifically in their circulatory system.
这只是它们在解剖学上，特别是循环系统上的某些适应性问题。
Adaptations to the regular change of seasons in the temperate and polar regions may be relatively simple.
在温带和极地地区适应季节的规律变化可能是相对简单的。
Tunas, mackerels, and billfishes have even more sophisticated adaptations than these to improve their hydrodynamics.
金枪鱼、鲭鱼和长嘴鱼有比这些更复杂的适应性，以提高自己的流体动力学。
Large animals that inhabit the desert have evolved a number of adaptations for reducing the effects of extreme heat.
生活在沙漠中的大型动物已经进化出许多适应能力，以减少极端高温的影响。
Other adaptations occurred later in the transition to terrestrial life and now wide spread but not universal among plants.
其他的适应机制在向陆地过渡过程中出现得较晚，现在在很多植物上得以呈现，但并不是所有的植物都如此。
Resting stages thus comprise a series of adaptations that allow the species to avoid the most difficult conditions for life.
因此，休眠期包含了一系列的适应过程，使物种能够避开最困难的生存情形。
Local adaptations and evolution over long periods of isolation promoted fascinating species adaptations to local conditions.
在长时间的隔离状态下，地方适应性和进化促进了绝佳的物种适应当地的环境。
Unfortunately, the adaptations that enable carnivorous plants to thrive in marginal habitats also make them exquisitely sensitive.
不幸的是，使食肉植物在边缘栖息地茁壮成长的适应性也使它们变得异常敏感。
Interestingly enough, several of these hydrodynamic adaptations resemble features designed to improve the aerodynamics of high-speed aircraft.
有趣的是，这些流体动力学的适应性变化和人类为了改进高速飞机在空气动力学方面的设计特点十分相似。
Accomplishing this feat requires adaptations both to generate heat in the turtle's body and to keep it from escaping into the surrounding waters.
完成这一壮举需要适应，既要在龟体内产生热量，又要防止它逃入周围的水域。
Once natural selection had shaped the adaptations that helped plants overcome the obstacles to terrestrial living, plants prospered and diversified.
一旦自然选择塑造了植物的适应机制，使之克服在陆地生活的障碍，植物物种就生机勃勃且丰富多样了。
After the islands separated, the isolated lizard populations would have become distinct species while also retaining their ancestors' niche adaptations.
岛屿分离后，孤立的蜥蜴种群将成为独特的物种，同时也保留了它们祖先的生态适应能力。
Finally, younger ecologists have found ecological problems involving behavior and life-history adaptations more attractive than measuring physical constants.
最后，年轻一代的生态学家发现，涉及行为和生活史适应的生态问题比测量物理常量更有吸引力。
The resulting adaptations to dry land include some structural features that arose early in plant evolution; now these features are common to virtually all land plant.
由此产生的对干燥陆地的适应包括一些在植物进化早期就出现的结构特征；现在这些特征对于几乎所有陆地植物来说都是很常见的。
Exposures to odors in natural environments often occur over far longer periods, and the resulting adaptations may differ qualitatively from short-term olfactory adaptation.
在自然环境中暴露于气味通常会持续更长的时间，并且所产生的适应性可能与短期嗅觉适应性在质量上有所不同。
These adaptations are quite sensible, allowing the aye-aye to see well at night and retrieve grubs, which are one of its primary food sources, from deep within hollow branches.
这些适应性是相当合理的，使狐猿在夜间看得很清楚，并能从空心树枝深处取回幼虫，这是它的主要食物来源之一。
If so, the green algae would have been subjected to environmental pressures that resulted in adaptations that enhanced their potential to give rise to land-dwelling or organisms.
如果是这样的话，绿藻就会受到环境压力的影响，从而产生适应性，提高它们产生陆地生物或有机体的潜力。
High rates of straying can be problematic because misdirected fish may interbreed with the existing stock to such a degree that any local adaptations that are present become diluted.
高偏离率可能是一个问题，因为被误导的鱼可能会与现有种群杂交，而这种杂交的程度会稀释现有的任何当地适应能力。
Today, biologists, using 21st-century tools to study cells and DNA, are beginning to understand how these plants hunt, eat and digest—and how such bizarre adaptations arose in the first place.
今天，生物学家利用21世纪的工具来研究细胞和DNA，开始了解这些植物是如何捕食和消化的——以及这些奇异的适应性最初是如何产生的。
Since 1897, there have been more than 300 film and TV adaptations (改编版本) of Dickens' works.
自1897年以来，由狄更斯的作品改编而来的影视作品已经达到300多部。
There are adaptations that increase the amount of forward thrust as well as those that reduce drag.
有增加前进推力的调整方法，也有减少阻力的调整方法。
Now, the snowshoe hare, tell me, what sort of adaptations do you think it has developed that help it survive the Maine winters?
现在，告诉我，你认为雪兔发生了哪种进化，从而能够在缅因州的冬天生存下来？
Gift cultures are adaptations not to scarcity but to abundance.
礼物文化适应于富裕环境，而不适应于萧条环境。
Adaptations of Leip's poem have appeared in more than 40 languages.
莱普的这首诗也被用40多种语言改编出版。
We get many scripts for theatre adaptations but not for film scripts.
我们找到很多适合戏剧的剧本，但是没有一部适合电影。
We speak, obviously, of actors in big-budget Hollywood graphic-novel adaptations.
我们想，显然是那些在好莱坞大预算的改编自漫画小说的电影中的演员们。
Other screenwriters focus on adaptations, which are screenplays based on existing stories.
有些编剧专注于改编，也就是根据业已存在的故事撰写剧本。
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