The abundance of vertebrate species fell by a third between 1970 and 2006 .
在1970年到2006年之间,本来丰富的脊椎动物物种减少了三分之一。
The sheer number of cells involved in a vertebrate brain circuit , for example , is a major hurdle .
脊椎动物大脑中相关细胞的数量是个主要障碍。
In a vertebrate 's arms , muscles do the moving and bones carry the weight .
对脊椎动物的手臂而言,肌肉负责运动,骨骼承受重量。
By tracking how bones develop , and in what order , it 's possible to see how various genes control the overall development of vertebrate organisms .
通过跟踪骨头如何发育以及以什么样的顺序发育,可能会发现不同的基因是如何控制脊椎动物的全面发育的。
It was the first vertebrate to have its dna barcode-a sequence of about 600 genetic " letters " - included in its official description .
这是第一个拥有dna条码的脊椎动物有600左右的遗传“字母”序列官方文件是这么描述的。
Arguably the most closely studied of the five main senses , the society for neuroscience claims that more is known about vision than any other vertebrate sensory system .
Sten grillner 's group at the karolinska institute in stockholm has therefore spent many years studying lampreys , in order to gain insights about vertebrate nerves .
Because these cells are among the largest in the vertebrate brain , they were the first neurons to be identified .
由于这些细胞是脊椎动物大脑中最大的细胞,它们是最早被识别出来的神经元。
Curiously , researchers have also seen melanin in the testes of a variety of species in all vertebrate groups .
奇怪的是,研究者们发现了这种色素存在于各种各样的脊椎动物中。
And a july study , published online in plos pathogens , described dozens of examples of viral code in vertebrate genomes-much of which had likely been there for some 40 million years .