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Vertebrate Evolution and Diversity

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Vertebrate Evolution and Diversity

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    1. Vertebrate Evolution and Diversity

    2. Four Anatomical Features Characterize Phylum Chordata Chordates are deuterstomes with 4 unique characteristics which appear at some time during the animal’s life. 1. Notochord 2. Dorsal, hollow nerve cord 3. Pharyngeal slits 4. Muscular postanal tail

    4. Notochord

    5. Dorsal, Hollow Nerve Cord

    6. Pharyngeal Slits

    7. Muscular Postanal Tail

    8. Chordate Characteristics

    9. Subphylum Urochordata

    10. Subphylum Urochordata

    11. Adult Tunicates or Sea Squirts

    12. Subphylum Cephalochordata

    13. Subphylum Cephalochordata

    14. Introduction to the Vertebrates

    15. Chordate Segmentation - Somites

    16. Subphylum Vertebrata

    17. The Neural Crest

    18. Overview of Vertebrate Diversity

    19. One Hyphothesis for the Evolutionary Relationships among the Chordates

    20. Class Agnatha – Jawless Fish

    21. Class Agnatha - Sea Lamprey

    23. Evolution of the Vertebrate Jaw

    24. Superclass Gnathostomata 1 The Fishes

    25. Class Chondrichthyes Cartilaginous Fish

    26. Oviparous species lay eggs that hatch outside the mother Oviviparous species retain the fertilized eggs until they hatch within the uterus Viviparous species young are nourished by a placenta until born

    27.

    28. Class Chondrichthyes - Cartilaginous Fish

    29. Class Osteichthyes – Bony Fish

    30. Class Osteichthyes – the Bony Fish

    31. Lobe-Finned Fish

    32. Anatomy of a Trout

    33. The Devonian Radiation

    34. Superclass Gnathostomata II The Tetrapods

    35. The Origin of the Tetrapod

    36. Class Amphibia

    37. Urodeles

    38. Anurans

    39. Apodans

    40. Frog Metamorphosis

    41. Frog Metamorphosis

    42. Evolution of the Amniotic Egg

    43. The Amniotic Egg

    44. Phylogeny of the Amonites

    45. Class Reptilia

    46. Reptilian Characteristics

    47. Extant Reptiles - Turtles

    48. Lizards

    49. Snakes

    50. Crocodiles and Alligators

    51. Class Aves

    52. Form Fits Function

    53. Origin of Birds

    54. Bald Eagle in Flight

    55. Archeaopteryx

    56. Flightless Birds –The Emu

    57. Ducks

    58. Albatrosses

    59. Barn Swallow

    60. Evolution of the Mammalian Jaw and Ear Bones

    61. The Evolution of the MammalianJaw and Ear Bones

    62. Class Mammalia

    63. Monotremes

    64. Marsupials

    65. Marsupial and Eutherian Mammals

    66. Major Orders of Eutherian Mammals

    67. Primates

    68. A Crowned Lemur – A Prosimian

    69. A Phylogenic Tree of the Primates

    70. Old World Monkeys

    71. New World Monkeys

    72. Apes - Gibbons

    73. Orangutans

    74. Gorillas

    75. Chimpanzees

    76. Hominid Timeline

    79. Upright Posture

    80. Two Models for the Origin of Humans

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