zoology

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Author:
stephcave
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123931
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zoology
Updated:
2011-12-15 19:57:24
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zoology
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zoology
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  1. 5 hallmarks of chordates
    • notochord
    • single dorsal tubular nerve cord
    • endostyle
    • postanal tail
  2. chordates have a _____ digestive system
    complete
  3. notochord is
    • flexible, rodlike
    • firdst part of endoskeleton to form
    • axis for muscle movement
  4. pharangeal pouches and slits
    for feeding
  5. common name tunicates are in what phylum, subphylum
    • phylum: chordates
    • subphylum: urochordata
  6. sea squirt is a
    tunicate
  7. all larval forms of sea squirts have
    all 5 hallmarks
  8. lancets are in the subphylum
    cephalachordata
  9. lancets are what type of feeders
    filter feeders
  10. lancets have all 5 features of chordates as an
    adult
  11. in lancets food is trapped
    in mucus secreted by endostyle
  12. lancets have a _____ circulatory system
    closed
  13. lancets are monoecious or dioecous
    dioecous
  14. what type of fertilization do lancets have
    external
  15. cephalachordata: have brains or not
    never budded a brain from nerve cord
  16. crainiata from what subphylum
    vertebrata
  17. cartilage fish
    • hagfish
    • lamprey
    • sharks
    • skate
    • rays
    • sturgeon
  18. vertebrata physiological upgrades
    • respiratory system
    • circulatory system
    • digestion
    • nervous system
    • sensory system
  19. vertebrata respiratory upgrade
    powerful muscles of pharynx move more water over gills
  20. vertebrata circulatory system upgrades
    stronger heart to ciculate blood faster
  21. vertebrata digestion upgrades
    • muscularized gut
    • digestive glands: liver and pancreas
  22. vertebrates have ____ sets of hox genes
    four
  23. garstang's hypothesis
    • he says that the larva of ascidian tunicate failed to metamorphose into an adult thus keeping juvenile features termed
    • paedomorphosis
  24. conodonts fossils
    toothlike structures but probably jawless
  25. ostracoderms
    • lacked jaw
    • pelvic fins
    • pectoral fins
    • bony armor
  26. placoderms
    • had jaws
    • paired fins
    • armor
    • internal skeleton
    • very successful!!!
  27. hagfish and lamprey
    had no jaws and paird fins
  28. Fishes
    Kingdom:
    Phylum:
    Subphylum:
    • animalia
    • chordata
    • vertebrata
  29. vertebrata: notochord or spine?
    spine
  30. superclass agnatha
    • no jaws
    • no paired appendages
    • notochord as adult does not develp vertebrae
  31. class Myxini
    superclass:
    agnatha
  32. hagfish
    • marine
    • scavengers
    • high sense of smell
  33. hagfish eat prey how?
    rips off flesh of prey with karatinized tongue
  34. hagfish ties itself into a knot why?
    to create leverage during feeding
  35. hagfish have what type of regulation for saltwater in body?
    osmotic equilibrium with sea water
  36. hagfish have what type of circulatory system?
    • low pressure circulatory system
    • one main heart
    • 3 small accessory hearts
  37. sex type of hagfish
    hermaphroditic but only one set of organs become functional
  38. lampreys are what class? what superclass?
    • cephalaspidomorhi
    • agnatha
  39. lampreys are monoeceous or dioecious
    dioecous
  40. lampreys have what type of fertilization
    external
  41. superclass gnathostomata
    • have jaws
    • paired appendages
  42. sharks
    superclass
    class
    subclass
    • superclass gnathaostomata
    • class chondrichthyes
    • subclass elasmobranchi
  43. sharks have a _______ skeleton
    cartilage
  44. subclass elasmobranchi
    sharks
    have a notochord surrounded by
    cartilage skeleton
  45. sharks have no _______ : bony element that makes gills open
    opercula
  46. sharks are ______osmotic
    hyperosmotic
  47. sharks have their jaw not fused to
    cranium
  48. what type of tail do sharks have?
    heterocercal
  49. heterocercal
    one lobe larger than the other
  50. sharks have _______ scales
    placoid
  51. placoid scales
    • feel like sandpaper
    • consist of dentine enclosed in enamel like substence
    • can replace them
  52. sharks have what type of intestine
    spiral valve intestine : increases surface area and allows for slow passage
  53. sharks have a rectal gland that
    assists kidneys in salt regulation and cncentration in blood(keeps water in body)
  54. sharks have a well developed lateral line that
    senses low frequency vibrations in the water
  55. sharks have great eye sight
    can sense light in even mirky water
  56. shark ampulla of lorenzi
    can detect electrical fields surrounding prey
  57. reproductions of sharks
    internal
  58. oviparous
    laying eggs
  59. oviviparous
    eggs hatch in mother
  60. viviparous
    embryos recieve neurishment from mother
  61. Osteichthyes
    boney fish
  62. ray finned fish class
    actinoperygii
  63. ray finned are all fish that are not
    • sharks
    • skates
    • lampreys
  64. ray finned the fin attaches ______ to the body
    directly
  65. sturgeon, paddlefish, bichirs
    chondrasteans
  66. chondrasteons have
    • heterocercal tails
    • ganoid scales
    • some cartilage
  67. subclass neopterygians
    • homocercal tails
    • cycloid scales or ctenoid
    • all bone
  68. ganoid scales
    heavy armored
  69. superclass gnathostoma classe and subclasses
    • class
    • actinoperygii,sarcopterygii

    subclasses, chondrasteans, neopterygeans
  70. subclass neopterigians has 2 groups
    • nonteleosts
    • teleosts
  71. nonteleosts
    • live in swampy
    • lie and wait predators
    • surface to gulp oxygen
    • ganoid scales
  72. teleosts
    • true bony fish
    • marine and freshwater
    • cycloid and ctenoid scales
  73. class sarcopterygii
    • lobe finned fish
    • diphycercal tails(wraps around body)
    • primitive lung and gills
  74. bony fish boyancy
    • acheived by swim bladder
    • adjusts the amount of gas to equalize and dive deep or rise
    • adds gas to go deeper
  75. 2 types of swim bladders
    • phystostomous
    • physoclistous
  76. phystostomous-trout
    • pneumatic duct between esophogus and bladder by which takes in and expels air
    • gulp air
  77. physoclistous-bass, perch, most fish
    • air expelled through oval and taken in through gas gland
    • use the gas from blood to bladder
  78. solute
    salt
  79. solvent
    water
  80. solution
    something dissolved in water
  81. diffusion
    salt from high to low concentrate
  82. freshwater fish osmosis
    • dilute urine
    • pee water and absorbs ions through cells on gills to regulate salt to keep salt in
  83. marine fish osmosis
    • concentrated urine
    • secrete salt from gills
  84. ostariophysans
    • group of teloests
    • - minnows, catfish
    • dominate freshwater
  85. weberian ossicles
    transmit sound grom swimbladder to brain via semicircular canals
  86. weberian ossicle cycle
    • swimbladder
    • bones
    • weberian ossicles
    • semicircular canals
    • brain
  87. piranhas
    order charicaformes
  88. why move to land so dramatic?
    • more oxygen
    • gravity was crushing on body
    • temperature was constantly dramatically changing
    • habitat diversity
  89. 2 dramatic changes in body when move to land
    • limbs
    • lungs
  90. modern tetrapods evolved from what line
    sarcopterygii
  91. system in amphibians
    heart to lungs to heart to body
  92. amphibians have a _____ _____ circulatory system
    • 2 way
    • because it gets to tissue quicker
  93. eusthenopteron
    used fins to paddle through muddy sandy bottom streams
  94. acanthostega
    • had limbs but weak ones
    • had gills
  95. ichthyostega
    fully developed girdle, limbs, and muscles to limbs
  96. limnoscelis
    had 5 digits
  97. amphibians
    • loss of gills
    • loss of lateral line and gain smell and hearing
    • vascular lungs
    • breathe through skin
    • secrete musous
  98. amphibians
    phylum-superclass-class
    • chordata
    • gnathostomata
    • amphibia
  99. ectothermic
    use the external enviroment to regulate temperature
  100. order urodela
    • limbs at right angles to body
    • long tail
    • carniverous
    • ectothermic-low metabolic rate
  101. order anura
    epidermis type
    • epithelial tissue
    • dermis
  102. dermis
    connective tissue
  103. chromatophores give
    color
  104. xanthaphores
    yellow, orange, red
  105. iridophores
    silvery
  106. melanaphores
    blakc or brown
  107. bucal breathing
    gulp air
  108. septum
    seperates the right and left atrium of the heart
  109. frogs have no
    ribs
  110. turtle has strong
    horny beaks
  111. turtle has radial and ulna
    not fused
  112. lizards
    • subclass:piapsida
    • order squamata
    • suborder sauria
  113. turtles
    • class reptilia
    • subclass anapsida
    • order testudines
  114. crocodiles and alligators
    • subclass diapsida
    • order crocodilia
  115. salamanders
    • class amphibia
    • order urodela(caudata)
  116. frogs and toads
    • class amphibia
    • order anura (salientia)
  117. missouri fish orders
    • petromyzontiformes
    • acipinseriformes
    • cypriniformes
    • perciformes
  118. lampreys
    order
    family
    • petromyzontiformes
    • petromyzontidae
  119. sturgeon and paddlefish
    order
    family
    • acipinseriformes
    • acipenseridae
  120. minnows and suckers
    order
    family
    • cypriniformes
    • cyprinidae
  121. sunfish, rayfish, walleye
    order
    • perciformes
    • percidae
  122. rayfish
    actinopterigii
  123. bony fish
    osteichthyes
  124. catfish
    order
    siluriformes

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