biology/lena

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leena1265
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52933
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biology/lena
Updated:
2010-12-02 19:21:36
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BIO TERMS
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STUDY
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  1. if two atoms have different numbers of neutrons in thier nuclei then they are different?
    Isoptopes
  2. chemical reactions involve exchanges of what?
    ELECTRONS
  3. Ionic bonds occur when electrons are shared or exchanged?
    exchanged
  4. a covalent bond occurs when electrons are shared, or exchanged
    shared
  5. a solution with a ph of 14 is?
    basic
  6. the universal solvent in which all biochemical reactions take place is where
    water
  7. are hydrocarbons biological compounds? Why or why not?
    no because they are toxic
  8. name two types of living cells and state the criteria for separation
    prokaryote & eukaryote
  9. the stable internal environment which must be maintained by all living cells is called
    homostasis
  10. scientific term for diseases
    pathogen
  11. malaria is vectored by what animal
    mosquitos
  12. zoology specializes in the study of what
    animals
  13. botany specializes in the study of what
    plants
  14. animal phylum ___________ has the greatest number of species in the animal kingdom
    arthropods
  15. beetles and flies are what?
    insects
  16. all arthropods are VERTEBRATES or INVERTEBRATES
    Invertebrates
  17. All tetrapods are VERTEBRATES or INVERTEBRATES
    Vertebrates
  18. the animal phylum referred to as parazoa is
    sponges (poriefra)
  19. a circulatory system in which the fluid is NOT ALWAYS contained within the blood vessels is said to be
    open
  20. a circulatory system in which the fluid is ALWAYS contained within the blood vessels is said to be
    closed
  21. vertebrates have have an OPENED or CLOSED circulatory sytem
    closed
  22. cephalopods come from Pyhylum ______?
    molluska
  23. with respect to obtaining energy all animals are______
    heterotrophs
  24. all true animals are organized at this level or higher
    tissue
  25. the combination of alleles, situated on corresponding chromosomes, that determines a specific trait of an individual
    genotype
  26. any observable characteristic or trait of an organism:
    phenotype
  27. an individual having identical alleles for a trait
    homozygous
  28. an individual having different alleles for a trait
    heterozygous
  29. Carolus Linnaeus is famous for what contribution to science
    binomial nomilcature
  30. a phylogeny is a scientific reference to a series of what?
    linegeas
  31. biologists classify all organisms according to what relationships
    evolutionary
  32. how are the wings of birds and those of insects related to one another
    analogus
  33. the minimum amount of energy required to start achemical reaction is the ______ energy
    activation
  34. The monosaccharide that is blood sugar in vertebrates is____. the disarccharide that constitutes table sugar is____
    blood glucose
  35. order display of pair chromosomes
    karoytype
  36. series of enzyme mediated reaction within a living cell
    metabolic pathways
  37. feedback which STABILIZES a system is called ______ feedback
    negative
  38. feedback that DESTABILIZES a system is called_____ feedback
    positive
  39. the only vertebrates that chew their food are?
    mammals
  40. animals that only eat meat
    example: cats, dogs, etc
    obligate carnivore
  41. animal who eats both meat and veggies
    omnivore
  42. animal who eats only plants vegetarian
    herbivvore
  43. all fungi (with respect to obtaining energey) are?
    heterotrophs
  44. the largest order of placenta mammals contains
    rodents
  45. monotremes differ from other mammals in what respect?
    they are oviperous (lays eggs)
  46. marsupials differ from placental mammals in what respect
    external pouch
  47. mammals such as canines and felines are from the mammalian order containing
    carnivores
  48. which groups of vertebrates have skeletons of cartilage
    sharks, lampreys, hagfish
  49. the first tetrapods were?
    amphibians
  50. which vertebrates have four-chambered hearts
    birds and mammals
  51. which vertebrates have two-chamber hearts
    fish
  52. which vertebrates have three-chambered hearts
    reptiles & amphibians
  53. what reptiles have circulatory systems very similar to birds and mammals
    crocodiles
  54. hagfishes and lampreys are classes as _______ fishes
    jawless (agnathans)
  55. vertebrates that keep warm from environment
    ectotherms
  56. vertebrates that are warmblooded keep themselves warm
    endotherm
  57. name three classes of true land animals
    reptiles, birds, mammals
  58. the first vertebrates were fishes of what type
    jawless
  59. rattlesnakes, cottonmouths, and copperheads are called pit vipers because of what adaption
    heat sensory organs
  60. mammalian order cetacea contains what animals
    whales, dolphins, etc
  61. the only animals that provide milk for its offspring are
    mammals
  62. a hybrid animals that is result of cross between a mare and jackass is called?
    mule
  63. the first geologic time period of the paleozoic era was the?
    Cambrian
  64. the last geologic time period of the paleozoic era was the
    Permian
  65. name three adaptions that birds have to faciliate flight
    light bones, feathers, adaptive respiratory system
  66. birds are in class what?
    Aves
  67. which vertebrates have gills and are aquatic or marine throughout life cycle
    fishes
  68. the name "amphibian" literally means?
    two lives
  69. all vertebrates are from which phylum
    cordata
  70. the first amniotes were the
    reptiles
  71. the very largest marine animals such as the blue whale and whale shark feed on what?
    plankton
  72. the fossil records show that the first tetrapods appeared during the _______ time period
    devonian
  73. are birds more closely related to crocodiles or mammals?
    crocodiles
  74. food fishes such as salmon and tuna are from what group of fishes
    grey fin
  75. all plants that produce flowers are
    angiosperms
  76. mosses are classifies as
    non vascular
  77. pines and firs are?
    gymnosperms
  78. pores of the leaf
    stomata
  79. what is the function of vascular plant tissue called xylem?
    distributes water and dissolves minerals
  80. what is the function of the vascular plant tissue called phloem?
    distributes metabolites
  81. what is a plant cuticle
    a thick waxy covering produced by epidermal cells to cover and protect

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