一切环境的碳酸盐沉积物，基本上都是古代生物化学体系的产物。
Carbonate sediments in all environments are basically products of an ancient biochemical system.
碳氢化合物的沉淀，如石油、煤、天然气等，由古代生物衍生而成，经过开发后用作燃料。
A hydrocarbon deposit, such as petroleum, coal, or natural gas, derived from living matter of a previous geologic time and used for fuel.
这里的鲨鱼探险包括一个和专家一起了解这些古代生物的探知之旅，还包括了解水族馆工作人员怎样饲喂和照料这些生物。
Its shark adventure includes a tour with an expert to learn about these ancient creatures and how the aquarium workers feed and care for them.
一种碳的天然放射性同位素，原子量为4，半衰期为5，780年，用于测定古代生物标本，地质标本或考古遗迹的标本的年代。
A naturally radioactive carbon isotope with atomic mass 4 and half-life 5,780 years, used in determining the age of ancient organic, geologic, or archaeological specimens.
如果一种古代动物有看起来像鹿角的结构，古生物学家就会争论说它可能像麋鹿或驼鹿那样使用鹿角。
If an ancient animal had structures that looked like antlers, palaeontologists would argue that it probably used them as an elk or moose.
但是如果该项技术能够得到更加广泛的应用，那么重建古代海洋生物的食物链也许将成为可能。
But if the technique can be used more widely, it may be possible to reconstruct the food chains of ancient oceans.
这一段结合了一点古代遗传理论，一点生物学知识。
This one ties in a little bit of ancient genetic theory, a little biology.
新的发现证实古代两足生物剑角龙可以打败现今顶级的善于头部撞击生物。
The new findings confirm that the ancient bipedal dinosaur Stegoceras could knock out any of today's top head-butters.
丹佛科罗拉多大学的古生物学家马丁•劳克雷评论说，即使只有这些足迹也很能说明这些古代鸟类的进食行为。
Even the tracks alone say a lot about the feeding behavior of the ancient birds, commented paleontologist Martin Lockley of the University of Colorado in Denver.
我们在那里发现的任何生命形式，以前都不曾见过——可能有病毒，我们还可能会发现细菌、古代细菌(其他单细胞生物)以及…真菌也有可能。
Any form of life we find there, we won't have encountered before - there will probably be viruses, and we may have bacteria, archaea (other single-celled organisms) and... maybe fungi.
现在我们已经到达大岣梢湖的另外一部分。像片上，我们发现一些有趣的古代海洋生物化石。
Now we had already been at another part of the big Gosausee. In this picture, we found some interesting petrifactions of the ancient halobios.
部分古生物学者还是这样分析脑容量缩小的原因的，他们认为在旧石器时代中，古代人类可能需要在复杂的环境下生存，比如大量咬嚼大块食物（野兔、狐狸、马匹等）、从而直接锻炼了脸部、甚至脑部的发达，另外，脑容量越大、适应野外寒冷环境的能力更强。
Several theories have been advanced to explain the mystery of the shrinking brain. One is that big heads were necessary to survive Upper Paleolithic life, which involved cold, outdoor activities.
古代把灵芝类生物视为吉祥物，与当时人们对自然的崇敬有关。
The fungus as a biological category of ancient mascot, and when people respect for nature related.
此外，由于早期有机体可能很小、很简单、又处于环境的微妙影响，一般假定的源于生物的太古代化石往往是模棱两可的。
Furthermore, as early organisms were probably small, simple, and subtle in their environmental impact, the biogenicity of putative Archaean fossils is often ambiguous.
根据古代文献记录，世界存在多少生物就有多少种体式。
According to ancient texts there are as many asanas as there are creatures in the world.
在中学的时候，古代史是除了生物课外我最喜欢的课目。
Besides biology, ancient history was my favorite subject in high school.
许多现代古生物学家除了重现古代动物的行为外，也在尝试做着同样的事情。
Many modern palaeontologists try to do something similar, except that what they reconstruct is behaviour.
据设想，火星上曾有液态水流淌，古代的大气可能维持过生物的生存。
It was assumed that liquid water had once flowed on Mars and an ancient atmosphere might have supported living organisms.
古生物学研究古代的动植物。
本组为评估中元古代生命状况、古环境和前显生宙生物地层提供了重要的生物信息。
This Formation provides important paleobiological information from which to assess status of Mesoproterozoic life, and to evaluate paleoenvironmental conditions and pre_Phanerozoic biostratigraphy.
可是(古生物学家)恰普的脚严重灼伤，连跛着走都很吃力，更别说是跑来跑去寻找古代的恐龙骨头化石了。
But Chiappe's foot had been so badly burned he could badly hobble, let alone stride around looking for ancient dinosaur hones.
地下生物的最早证据是在格陵兰岛地表发现的有机化学结构的岩石，被认为来自古代的海底沉积物。
The earliest evidence for terrestrial life is the organic chemical structure of a rock found on the surface in Greenland. The surface was thought to be from an ancient sea floor sediment.
这些资料表明，在中元古代真核生物已大量存在，故其出现的时间要早于1850百万年。
The present materials show that there are a large number of eukaryotes in Middle Proterozoic and the eukaryotes should have appeared earlier than 1850 my. (B. p).
这些资料表明，在中元古代真核生物已大量存在，故其出现的时间要早于1850百万年。
The present materials show that there are a large number of eukaryotes in Middle Proterozoic and the eukaryotes should have appeared earlier than 1850 my. (B. p).
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