PRACTICE TEST LBYBIO31. Nearly like segments2. Phylogenetic group where metamerism was first evident.3. Serial Repetition4. Climax of segmentation in lower chordate5. T of F. Adult vertebrates are internally & homonomously segmented.6. Which is a characteristic of vertebrates?a. Internal and homonomous metamerismb. Internal and heteronomous metamerismc. External and homonomous metamerismd. External and heteronomous metamerism7. Organisms with common evolutionary origin are said to be _____.8. Structures that have the same appearance but of different origin and function are ____.9. Which is not a characteristic of all chordates?a. Presence of notochordb. Pharynxc. A vertebral columnd. A hollow central nervous system10. Reptiles, birds, mammals that lay on land11. Jawed Vertebrates12. Which is not a region of an Enteropneusta trunk?a. Thoracic Regionb. Branchiogenital Regionc. Hepatic Regiond. Abdominal Regione. NOTA13. Paired series of lateral pouches in hepatic region of balanoglossids.14. Also known as the Excurrent Siphon15. Outer covering of tunicates16. V-shaped muscle segments in Amphioxus and other.17. Lateral fins of Amphioxus18. Cavity in oral hood of Amphioxus19. Point of termination of the lateral fins of Amphioxus, a median opening20. T or F. Lampreys have a continuous ventral fin arising from the bottom jaw to the anal opening.21. The passage leading to olfactory sac in lampreys.22. Located at the back of the oral hood of the ammocoete larvae, for straining.23. Contains sensory cells in dogshark24. Connects ear with surface of head, for balance.25. Type of dermal fin rays in dogshark26. The first gill slit27. Flap from nostril to mouth in Skates28. How many pairs of gill slits do skates have?29. T or F. The opercular fold is a structure covering the opercular opening supported by skeletal structures.30. Gill Cover31. Attached to ventral membrane of gill cover32. Bony flexible jointed fin rays, common fishes.33. T or F. The spiracle is absent in Garpikes34. Fold of skin passing transversely across throat in Necturus.35. Swelling glands in Bufo marinus36. Used in identification of snakes, lizards, etc.37. 3rd Eyelid, for moisturization without closing eyes.38. 3rd median eye of lizards, optic functions.39. Extension of the throat fold in lizards40. Temperature detectors in Python reticulatus41. Pond Turtle, Genus.42. Sea Turtle, Genus.43. Tortoise, Genus.44. Flat, ventral surface of turtles45. How many digits do turtles have?46. Reduction of tail into a stump in Class Aves.47. Bases of wings and tails48. Deep, narrow passage to middle ear49. How many digits do birds have?50. Half-circle of flight feathers in tail51. Contains oil for preening feathers52. Another term for whiskers53. Organisms that walk on digits54. Organisms that walk on nail ang hoof extensions55. Organisms that walk on sole56. Hairless depression in rabbits57. Greater Lip58. Foreskin59. Outer Part of skin composed of epithelial cells60. Keratinized stratum61. Which is not another term for Stratum Germinativum?a. Stratum compactumb. Stratum mucosumc. Profundumd. Malphygii62. Another term for Dermis63. Scale characteristic of elasmobranch fish64. Pieces of sharkskin, for abrasion65. Scale occurring on extinct fishes66. Scale of Polypterus, ganoid scale67. Hard shiny substance secreted by dermis (in scales)68. True Ganoid Scale characteristic of garpikes, sturgeons and their allies.69. 2 Flexible scales70. Slender, flexible, unjointed fin rays71. Characteristic of Ostheichtyes, branched, jointed rays composed of bone72. Type of ray limited to present Dipnoi73. Type of ray occurring during development of bony fish74. Epidermal thickenings, aka scales75. Dermal Structures76. Median Row in turtle carapace77. Lateral row in turtle carapace78. Scutes along the margin79. Anterior unpaired marginal scute80. Two Median Posterior scutesAnswer Key

1. Homonomous2. Hemichordates3. Pseudometamerism4. Amphioxus5. F6. B7. Homologous8. Analogous9. C10. Amniotes11. Gnathostomata12. D13. Hepatic Caeca14. Atrial Siphon15. Tunic/Test16. Myotomes17. Metapleural folds18. Vestibule19. Atriopore20. F21. Nasohypophyseal Opening22. Oral Papillae23. Lateral-line canal24. Endolymphatic Ducts25. Ceratotrichia26. Spiracle27. Nasofrontal process28. 529. F30. Operculum31. Branchiostegal membrance32. Lepidotrichia33. T34. Gular fold35. Paratoid Gland36. Head shieds37. Nictitating Membrane38. Pineal/Parietal Eye39. Dewlap40. Pit41. Chrysemys42. Chelonia43. Cyclemys44. Plastron45. 4 or 5 (to be confirmed)46. Uropygium47. Coverts48. External Auditory Meatus49. 350. Retrices51. Uropygial Gland52. Vibrissae53. Digitigrade54. Unguligrade55. Plantigrade56. Inguinal/Perineal Space57. Labia Majora58. Prepuce59. Epidermis60. Stratum corneum61. A62. Corium63. Placoid scale64. Shagreen65. Cosmoid scale66. Palaeoniscoid Scale67. Ganoin68. Lepidosteoid69. Cycloid and Ctenoid70. Ceratotrichia71. Lepidotrichia72. Camptotrichia73. Actinotrichia74. Scutes75. Plates76. Neural Scutes77. Costal Scutes78. Marginal Scutes79. Nuchal Scute80. Pygal Scute81.