Deuterostome - PowerPoint PPT Presentation

CHORDATES ( 脊索动物门）

CHORDATES ( 脊索动物门）. Intruduction. Definition （脊索动物的定义）

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Chapters 32--34

Chapters 32--34. An introduction to the animal kingdom and its three main subkingdoms: parazoa or metazoa (sponges)—no true tissue eumetazoans —true tissues invertebrate s ( cnidaria , platyhelminthes , mollusca , annelida , arthropoda ) vertebrates ( chordata ).

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Phylum Hemichordata

Phylum Hemichordata. Zoology- Mrs. Adams. “Half Vertebrate”. Hemichordates display some characteristics of invertebrates and vertebrates Coelomates Deuterostomes Have dorsal and ventral nerve cord, gill slits, postanal tail, NO NOTOCHORD.

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Deuterostome - PowerPoint PPT Presentation

CHORDATES ( 脊索动物门 ）

Chapters 32--34

Phylum Hemichordata

CHORDATES ( 脊索动物门）