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The top documents tagged [pair of gill slits]
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pair of gill slits
Cartilaginous Fishes Cartilaginous fishes (Chondrichthyes) have a skeleton made not of bone, but of cartilage, which is lighter and more flexible than.
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Class Chondrichthyes aka Cartilaginous fishes sharks and rays sharks and rays.
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What are protochordata? Why are protochordata are primitive vertebrate Presenters; Shree jana Bomjan Pema Tshojay Kichu Lhaden.
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Fish Internal Anatomy and Physiology Objectives: 1.Describe the function of major organ systems in bony fish and list the specific organs in each system.
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Fish. Vertebrates (Subphylum Vertebrata) –Backbone enclosing a nerve cord, or spinal cord Phylum Chordata –Notochord –Pharyngeal pouches –Postanal tail.
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Marine Fishes Chapter 8. Vertebrates Share characteristics with protochordates (invert chordates) –Single, hollow nerve cord –Pharyngeal slits –Notochord.
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Marine Fishes Read Chapter 9 Pages 154- 178. Chordates All chordates have (at least during some period of their life) –Dorsal nerve cord –Gill slits.
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MARINE FISHES
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THE FIRST VERTEBRATES. Oldest and simplest vertebrates Most abundant vertebrates Three groups of fishes ◦ Jawless fishes ◦ Cartilaginous fishes.
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Marine Vertebrates Types of Fishes. I) Vertebrates A)Subphylum Vertebrae B)Four characteristics of chordates C)Backbone: AKA Spine or Vertebral Column.
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Marine Fishes
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Cartilaginous Fishes
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