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23. Chordates

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Jackie Carl
Jackie Carl

Zoology class at Ava High School over Chordates, chapter 23

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Chordates Chapter 23
Phylum Chordata
Phylum Chordata
 
Phylum Chordata ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Phylum Chordata ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Notochord ,[object Object]
Dorsal Tubular Nerve Cord ,[object Object]
Pharyngeal Pouches and Slits ,[object Object]
Endostyle or Thyroid Gland ,[object Object]
Postanal Tail ,[object Object]
Phylum Chordata ,[object Object],[object Object],[object Object]
Subphylum Urochordata ,[object Object]
Subphylum Urochordata ,[object Object]
Subphylum Urochordata Adult of Ciona
Subphylum Urochordata
Subphylum Urochordata
Subphylum Cephalochordata
Subphylum Cephalochordata
Subphylum Vertebrata
Subphylum Vertebrata
Subphylum Vertebrata = Craniata
Neural Crest Cells Notochord (a) The neural crest consists of bilateral bands of cells near the margins of the embryonic folds that form the neural tube. (b) Neural crest cells migrate to distant sites in the embryo. Migrating neural crest cells Ectoderm Ectoderm Dorsal edges of neural plate Neural crest Neural tube
The Origin of Vertebrates
The Earliest Vertebrates
Ammocoete Larva of Lampreys ,[object Object]
The Earliest Vertebrates
The Earliest Vertebrates
The Earliest Vertebrates ,[object Object],[object Object]

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23. Chordates