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Tetrapods - PowerPoint PPT Presentation


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Chapter 9. Tetrapods. Lobefin fish. Tetrapod origin. Early tetrapod. Tetrapods. No True Marine Amphibians. Bufo marinus. Class Reptilia. Reptiles --- many, major extinct lineages. Many extinct marine reptiles. airbreathing. coldblooded. Sea turtles. Fossil Sea Turtle.

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Tetrapods


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    Presentation Transcript
    1. Chapter 9 Tetrapods

    2. Lobefin fish Tetrapod origin Early tetrapod

    3. Tetrapods

    4. No True Marine Amphibians Bufo marinus

    5. Class Reptilia

    6. Reptiles --- many, major extinct lineages

    7. Many extinct marine reptiles

    8. airbreathing coldblooded

    9. Sea turtles

    10. Fossil Sea Turtle Archelon ischyros (Cretaceous, North Dakota)

    11. Sea turtles Still tied to land

    12. Sea turtles

    13. Sea turtles Conservation and study

    14. Sea Snakes

    15. Sea Snakes

    16. Marine iguana Amblyrhynchus cristatus

    17. Galapagos Islands Marine iguana

    18. Saltwater crocodile Crocodylus porosus

    19. Tetrapods

    20. “Class” Aves Birds

    21. “Class” Aves Birds are part of reptile radiation

    22. Flight

    23. Penguins

    24. Tubenoses

    25. Tubenoses Albatrosses

    26. Tubenoses Shearwater petrel

    27. Pelicans

    28. Cormorants Frigate birds

    29. A seabird gift

    30. Gulls and related birds Terns Sterna paradisaea

    31. Shorebirds

    32. Shorebirds avocet plover

    33. Shorebirds sandpiper killdeer

    34. Body form and beaks adapted to niche and function

    35. Birds and Islands

    36. Hawaiian honeycreepers Island Birds Dodo bird

    37. Wake Island Rail Gallirallus wakensis Wake Island 7 December 1941

    38. Feral Animals

    39. Unbeknownst to most ornithologists, the dodo was actually a very advanced species, living along quite peacefully until, in the 17th century, it was annihilated by men, rats, and dogs. As usual The Far Sideby Gary Larson

    40. Bird Extinctions

    41. Class Mammalia

    42. Five Marine Mammal Lineages

    43. Order Pinnipedia Seals, sea lions, walrus

    44. Sea lion skull

    45. California Sea lions – ‘sunning’ Mouth of Ventura Harbor

    46. California Sea lions – sunning

    47. Leopard seal -- Antarctic

    48. Conserving heat

    49. California Sea lions – sunning with fin