Documents Respiration. Jawless Fishes Gills - pore-like openings 7 pairs of gill pouches in lamprey 5-15...

Slide 1Respiration Slide 2 Jawless Fishes  Gills - pore-like openings  7 pairs of gill pouches in lamprey  5-15 pairs of gill pouches in hagfish, but varying numbers…

Documents Phylum Chordata Dorsal hollow nerve cord Dorsal hollow nerve cord Pharyngeal gill slits Pharyngeal.....

Slide 1 Slide 2 Phylum Chordata Dorsal hollow nerve cord Dorsal hollow nerve cord Pharyngeal gill slits Pharyngeal gill slits Notochord Notochord Slide 3 Subphylum Vertebrata…