脊索动物 - 维基百科，自由的百科全书
脊索动物门_百度百科
网页脊索动物门 (拉丁学名：Chordata)是 动物界 最高等的一门，也是其发展得最成功的一类。. 其共同特征是在其 个体发育 全过程或某一时期具有 脊索 、背神经管和 鳃裂 （即脊索动 …
网页2024年3月29日 · Chordate is a phylum of animals that includes vertebrates, tunicates, and cephalochordates. Learn about their features, life cycle, ecology, and evolution from Britannica.
网页2018年4月16日 · Phylum Chordata includes vertebrates and some invertebrates with a notochord, a dorsal nerve cord and pharyngeal slits. It is divided into three subphyla: Urochordata, Cephalochordata and …
脊索動物 - 維基百科，自由的百科全書
网页脊索動物 （ 學名 ：Chordata）是 動物界 中目前 生態位 處於最頂端的一 門 ，最早的 化石紀錄 可追溯至五億年前的 寒武紀生命大爆發 時期，包括所有現存物種中體型最大的物種 …
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网页2023年8月6日 · Chordata (biology definition): a phylum of the animal kingdom comprising all the animals that have, at some stage in their life, a notochord (a hollow dorsal nerve cord), pharyngeal slits, and a muscular …
28.5C: Phylum Chordata - Biology LibreTexts
网页2023年10月31日 · The phylum Chordata contains all of the animals that have a rod-like structure used to give them support. In most cases this is the spine or backbone. Within …
网页Learn about the characteristics of chordates, a phylum of animals that includes vertebrates, cephalochordates, and tunicates. Find out how chordates have a notochord, gill slits, and a dorsal nerve cord, and …
Introduction to the Chordata - University of California Museum of ...
网页The Chordata is the animal phylum with which everyone is most intimately familiar, since it includes humans and other vertebrates . However, not all chordates are vertebrates. All …
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