脊椎动物

Bird is both adequate and constant temperature and oviparous vertebrate animals, in nature, birds are the most beautiful of all invertebrates appearance, the most melodious voice.a very popular animal.

鸟是两足、恒温、卵生的脊椎动物，在自然界，鸟是所有脊椎动物中外形最美丽，声音最悦耳，深受人们喜爱的一种动物。

Compared with the former study of interaction between varieties of vertebrates hemoglobin and human hemoglobin, human fetal hemoglobin, the results support the conclusion about the boundary of interaction between vertebrates hemoglobin and kinds of protein molecule in the electric field is the Reptilia animals and enrich the theory of hemoglobin molecular evolution.

同前面所进行的各种脊椎动物血红蛋白分别与人血红蛋白、胎儿血红蛋白相互作用的研究对照比较，进一步验证脊椎动物血红蛋白与各种蛋白分子在电场中的相互作用的分水岭可能位于爬行纲动物，丰富了血红蛋白分子进化理论。

Compared with the former study ofinteractionbetween varietiesof vertebrates hemoglobinand human hemoglobin, human fetal hemoglobin, the results support the conclusion about theboundary of interaction between vertebrates hemoglobin and kinds of protein molecule in the electric field is the Reptilia animals and enrich the theoryof hemoglobin molecular evolution.

同前面所进行的各种脊椎动物血红蛋白分别与人血红蛋白、胎儿血红蛋白相互作用的研究对照比较，进一步验证脊椎动物血红蛋白与各种蛋白分子在电场中的相互作用的分水岭可能位于爬行纲动物，丰富了血红蛋白分子进化理论。

A member of the subphylum Vertebrata, a primary division of the phylum Chordata that includes the fishes, amphibians, reptiles, birds, and mammals, all of which are characterized by a segmented spinal column and a distinct, well-differentiated head.

脊椎动物脊索动物门的一个原始分支，属于脊椎动物分门的一种动物，包括鱼类、两栖动物、爬行动物、鸟类和哺乳动物，其共同特征是都有节段的脊柱和很明显的、分化的头部

A member of the subphylum Vertebrata,a primary division of the phylum Chordata that includes the fishes,amphibians,reptiles,birds,and mammals,all of which are characterized by a segmented spinal column and a distinct,well - differentiate d head.

脊椎动物脊索动物门的一个原始分支，属于脊椎动物分门的一种动物，包括鱼类、两栖动物、爬行动物、鸟类和哺乳动物，其共同特征是都有节段的脊柱和很明显的、分化的头部

And the body structure changes greatly.In this paper,according to the skin of the Vertebrate,Respiratory system.,Circulatory system,Nervous system and sense organ,skeletal system and so on,the pointview of transformism,we dissertate the succession rule of the vertebrate from hydrophilous to terricolous,from simplicity to complesity,from low\|grade to high\|...

从脊椎动物的皮肤、呼吸系统、血液循环系统、神经系统和感觉器官、骨骼、生殖等结构对环境的适应等方面，以进化论的观点，比较解剖学的手法，论述了脊椎动物在漫长的时间里，由水生到陆生、由简单到复杂、由低等到高等，按一定的顺序发展和演变的规律。

Based in part on commonalities in embryonic development among all chordates, the tunicate brain is believed to resemble the evolutionary precursor of the vertebrate brainstem.

被囊动物的神经节和脊椎动物胚胎发育过程中大脑的发育有相似之处，被认为是脊椎动物

Of, relating to, or being a species that is most characteristic of an ecological community and usually determines the presence, abundance, and type of other species .

头部和身体上方有骨片的似鱼的脊椎动物；泥盆纪时期海中和河中的优势物种；曾被认为是最早的有颚脊椎动物。

A member of the sub phylum Vertebrata,a primary division of the phylum Chordata that includes the fishes,amphibians,reptiles,birds,and mammals,all of which are characterized by a segmented spinal column and a distinct,well - differentiated head.

脊椎动物脊索动物门的一个原始分支，属于脊椎动物分门的一种动物，包括鱼类、两栖动物、爬行动物、鸟类和哺乳动物，其共同特征是都有节段的脊柱和很明显的、分化的头部

There are more than 6,266 species of vertebrates, 10 percent of the world's total.

这里有6266种脊椎动物，占全世界的脊椎动物种类的百分之十。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。