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8 Cards in this Set
- Front
- Back
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Chordata has |
Notochord Dorsal hollow nerve cord Paired pharyngeal Gill slits Ventral heart Post anal tail |
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Chordata sub phyla |
Urochordata / Tunicata Cephalocordata Vertebrata |
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Urochordata and cephalocordata are together called |
Protochordates A-craniata |
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Vertebrata other name |
Craniata |
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Urochordata |
Notochord is present only in larval tail |
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Cephalocordata |
Notochord extends from head to tail region and is persistent throughout their life |
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Vertebrata |
Posses notochord during embryonic period. Notochord is replaced by a cartilaginous or bony vertebral column in the adult |
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Vertebrata extra characters |
Ventral muscular heart with 2, 3 or 4 chambers Kidneys for excretion and osmoregulation Paired appendages which may be fins or limbs |
