两栖动物(学名:Amphibia),又名两生动物,包括所有生呒卵壳个卵,拥有四肢个脊椎动物。两栖动物个皮肤裸露,表面呒鳞片、毛发等覆盖,但是可以分泌黏液以保持身体个湿润;渠个幼体拉水中生活,用鳃进行呼吸,长大后用肺搭皮肤呼吸。
老早迷齿亚纲、壳椎亚纲也㓰拉两栖生物里向,现在发现前者(譬方鱼石螈)是鱼类搭两栖类个过渡类群,后者更加接近羊膜动物(归爬行类)。
This article uses material from the Wikipedia 吴语 article 两栖动物, which is released under the Creative Commons Attribution-ShareAlike 3.0 license ("CC BY-SA 3.0"); additional terms may apply (view authors). 除非另外声明,内容用CC BY-SA 4.0授权。 Images, videos and audio are available under their respective licenses.
®Wikipedia is a registered trademark of the Wiki Foundation, Inc. Wiki 吴语 (DUHOCTRUNGQUOC.VN) is an independent company and has no affiliation with Wiki Foundation.