Chapter 23 - Inner epidermis (from mesoderm) Modifications...

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CHAPTER 23 CHORDATES
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Outline Phylum Chordata General characteristics Subphylum Urochordata Subphylum Cephalochordata Subphylum Vertebrata
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Phylum Chordata Bilateral symmetry Triploblastic True coelom Endoskeleton Paired appendages
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Phylum Chordata Notochord Dorsal nerve cord Pharyngeal pouches Endostyle Postanal tail
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Figure 23.01
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Phylum Chordata Nervous system Differentiated brain Specialized sense organs
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Subphylum Urochordata Life cycle Larvae - Free swimming Adult - No notochord, nerve cord, or tail - Sessile Tunicates
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Figure 23.04
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Subphylum Cephalochordata Notochord, nerve cord, and tail throughout life cycle Lancelets Amphioxus
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Figure 23.co
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Subphylum Vertebrata Spinal cord surrounded by bone or cartilage Notochord in embryo Divided into two superclasses Agnatha = no jaws Gnathostomata = jaws
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Subphylum Vertebrata Integument Outer epidermis (from ectoderm)
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Unformatted text preview: Inner epidermis (from mesoderm) Modifications Subphylum Vertebrata Endoskeleton Bone or cartilage Vertebral column Head skeleton Subphylum Vertebrata Pharynx Pharyngeal pouches Muscles Myomeres Digestive tract Subphylum Vertebrata Circulation Closed Heart with multiple chambers Arteries, veins, and capillaries Hemoglobin Subphylum Vertebrata Excretion Glomerular kidneys Endocrine system Subphylum Vertebrata Coelom Pericardial cavity Pleuroperitoneal cavity Separate sexes Review Phylum Chordata General characteristics Subphylum Urochordata Subphylum Cephalochordata Subphylum Vertebrata Reminders Read Chapter 23 Quiz 2 Lab Practical 3 Lecture Exam 6...
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This note was uploaded on 04/03/2008 for the course BIOL 1413 taught by Professor Veazey during the Spring '08 term at Southwest Texas Junior College.

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Chapter 23 - Inner epidermis (from mesoderm) Modifications...

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