两栖类的水平衡两栖类的肾功能很像淡水鱼的肾功能。
Amphibian kidneys function much like those of freshwater fishes.
处于志留记之后，密西西比纪或石炭纪之前，森林和两栖类的出现是其特征。
Silurian '. 'and before the Mississippian or Carboniferous Period, and characterized by the appearance of forests and amphibians.
为了测试甲虫捕食两栖类的能力，两位研究人员设计了如同《末日战士勇破雷电堡》一样的实验。
To test the beetle's amphibian eating ability, the researchers set up an experiment straight out of Mad Max: Beyond Thunderdome.
本文将对中国特有两栖类的数量、分布、受胁原因作简要阐述，以制定相应的保护对策。
This article will make a brief summary of the number, distribution, threatened causes of Chinese endemic amphibians, in order to draw up relevant cons.
对两栖类的捕食、逃避、避障的特性作了较为详细的论述：包括猎物与威胁物的识别以及避障过程中对障碍物的识别。
Acquisitive behavior Escape behavior Visual barrier avoidance have been described in detail as well as the recognition between the prey and predator.
在搜寻爬虫类和两栖类的时候，科学家们抓拍到了这只昆虫，随后，他们又令人惊讶的发现了四种Xylospinodes属竹节虫的新品种。
Scientists searching for reptiles and amphibians captured the photogenic insects on film-and later were surprised to learn they'd discovered four new species of the genus Xylospinodes.
他们把步甲放进笼子，并一只一只地放进上面提及的五种两栖类。
They put the Epomis beetles in a cage with each of the five aforementioned amphibians one by one.
“这些都是非常了不起的发现，而且可能对人类和两栖类物种来说都有重要的意义，”摩尔博士说。
"These are fantastic finds and could have important implications for people as well as for amphibians," said Dr Moore.
北美两栖类监测计划是美国最大的青蛙计数系统。
The North American Amphibian Monitoring Program is the country's largest frog-counting system.
但是，他说，在这些人自鸣得意之前，要知道，他们不过是回到了鸟类、两栖类和爬行类动物已拥有了亿万年的能力。
But before they pat themselves on the back for their superior evolution, he said, it's important to note that humans are just getting back to where birds, amphibians and reptiles have been for eons.
这是生态学家安德鲁·布劳斯汀，他告诉我们，科学家们最近对可能造成几百万只蛙类和其他两栖类动物死亡的疾病有了更多了解。
That's ecologist Andrew Blaustein. He told us that scientists have recently learned more about diseases that may be killing millions of frogs and other amphibians.
Haussler博士想测序1万种脊椎动物的基因组，这个数目也即是包括鱼类，两栖类，爬行类，鸟类和哺乳动物等所有物种总数的六分之一。
Dr Haussler wants to sequence 10,000 vertebrates, a sixth of the total number of species of fish, amphibians, reptiles, birds and mammals.
在全球范围内的动物当中，两栖类受到灭绝的威胁最大。有三分之一的两栖类已在灭绝的边缘。
Amphibians are the most threatened group of animals worldwide, with a third of the world's species in danger of extinction.
鱼，一些两栖类和原始的产卵的哺乳动物，如鸭嘴兽，使用类似的凹陷获得附近的动物产生的电场。
Fish, some amphibians and primitive egg-laying mammals such as the duck-billed platypus use similar pits to pick up electric fields generated by nearby animals.
看来两栖动物受到的威胁最大，IUCN评估的6285个两栖类物种中，有1895个处于濒危状态。
Amphibians seem to be facing the greatest threat, with 1, 895 of 6, 285 assessed species in danger of extinction.
北美两栖类监测计划是美国最大的青蛙计数系统。
The North American Amphibian Monitoring Program is the country's largest frog - counting system.
举个例子，许多两栖类生物研究专家正积极的从事这项工作。
It is being actively pursued by amphibian specialists, for example.
鸟类、鱼和两栖类是“卵生”的动物。
许多两栖类生物研究专家正积极的从事这项工作。
E. g. It is being actively pursued by amphibian specialists.
阐述了山东省药用两栖类资源开发和利用现状，并提出一些研究和合理开发的建议。
This paper illustrated the status of the pharmaceutical amphibian resource and resource development in Shandong Province, and some research and rational advice were also given.
中国拥有丰富的两栖类资源，共321种，其中特有种236种，这些特有种是我国生物资源独特而重要的组成部分。
China possess rich amphibian resources. There are 321 species of amphibian in China, of which 236 species are endemic. These species are an important part of China's biological resources.
被IUCN评估的所有两栖类中近三分之一都面临绝种的威胁，尽管与处境危险的四分之三的植物物种相比要好得多。
Nearly a third of all amphibians assessed by the IUCN are under threat, though that pales by comparison with the three-quarters of plant species found to be in danger.
很多哺乳类动物、鸟类、爬虫类和两栖类都是稀有甚至频危的，而且都受法例保护，所以不应收集它们做样本。
No mammal, bird, reptile and amphibian should be collected from the field, as many of them are rare or endangered or prohibited by law from collection.
牛蛙的入侵已成为一些本地两栖类种群数量下降或灭绝的主要因素之一。
The invasion of bullfrog has become one of the main factors leading to population decline and extinction of some native amphibians.
科学研究及临床证实，药用两栖类具有较高的药用价值；
With scientific research and clinical verification, the pharmaceutical amphibian have high pharmaceutical values;
树蛙和一般两栖类一样，皮肤裸出，没有毛皮的保护，所以对生活环境中重金属、农药与酸雨等污染十分敏感。
Like average amphibians, with its naked skin of no protection by leather and fur, the tree frog is very sensitive to environment pollution by heavy metal, chemicals and acid rain.
不幸的是中国大鲵，这种动物世界里最大的两栖类，在中国成为了一种美味被非法捕杀。
Unfortunately for the Chinese Giant Salamander, which is the largest amphibian in the world, it is a delicacy in China and the target of illegal hunting.
举个例，许多两栖类生物研究专家正积极的从事这项工作。
It is being actively pursued by amphibian specialists, for example.
举个例，许多两栖类生物研究专家正积极的从事这项工作。
It is being actively pursued by amphibian specialists, for example.
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