Lab Final Review--Chordata

Lab Final Review--Chordata - Phylum Chordata 3 Subphyla...

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Phylum   Chordata 3 Subphyla   Subphylum   Uro chordata   Subphylum   Cephalo chordata   Subphylum   Vertebrata
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Subphylum   Urochordata Adult Has only 1 Chordate characteristic: Pharyngeal gill bars have become a filter feeding basket Larva Has all 4 Chordate characteristics
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Subphylum   Urochordata Tunicate  tadpole  larvae Note 4 chordate  characteristics: 1. Dorsal hollow  nerve cord 2. Notochord 3. Pharyngeal gill  slits or bars 4. Post-anal tail (A) A
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Post anal tail Metapleural Folds Pharyngeal gill  bars & slits Notochord Anus Cirri Nerve cord Subphylum   Cephalochordata
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Dorsal region  Note: fin ray (A), myomeres (B), dorsal  hollow nerve cord (nerve tube) (C),   notochord (D) D A B C B Phylum Chordata Subphylum   Cephalochordata
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Anterior region  Note: (D) pharynx, (E) endostyle  –  (produces  mucus to help catch food in between the gill  bars - Yummy!) (MF) - Meta pleural folds (A) atrium O O B B B B B C
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Lab Final Review--Chordata - Phylum Chordata 3 Subphyla...

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