AGRO Final

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217884
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AGRO Final
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2013-05-05 17:00:33
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  1. the total interaction between crops & farm animals and their environment within a farming and ranching operation
    agroecosystem
  2. the total interaction between all organisms that live in an area with each other and their environment
    ecosystem
  3. the study of relationships of living things to their environment and each other
    ecology
  4. non-living entities in an ecosystem
    abiotic
  5. living organisms in an ecosystem
    biotic
  6. a close relationship between individuals of two different species
    symbiosis
  7. growing only one species
    monoculture
  8. embryonic root
    radicle
  9. roots formed from non-root plant parts
    adventitious root
  10. the relationship between plant roots and soil inhabiting microorganisms
    mycorrhizae
  11. the point of attatchment of buds and appendages
    node
  12. portion of stem between nodes
    internode
  13. do not create secondary xylem thus not woody
    herbacious plants
  14. produces secondary xylem, known as wood
    woody plant
  15. monocot stem is known as the
    culm
  16. a horizontal underground stem
    rhizome
  17. horizontal above ground stem
    stolon
  18. vertically growing stem
    tiller
  19. elongated terminal portion of a rhizome
    tuber
  20. slender coiling stem structures that are sensitive to contact
    tendril
  21. the seed head
    inflorescence
  22. mid rib that often extends beyond the tip of the Lemma
    awn/beard
  23. basic unit of grass inflorescence
    spikelet
  24. a flower that possess all four flower parts
    complete flower
  25. a flower missing one of the four flower parts
    incomplete flower
  26. when both the stamen and pistil are on the same flower
    perfect flower
  27. when a flower is missing either the stamen or the pistil
    imperfect flower
  28. a fruit's ovary wall
    pericarp
  29. the outer layer of the pericarp
    exocarp
  30. the middle layer of the pericarp
    mesocarp
  31. the inner layer of the pericarp
    endocarp
  32. when the pericarp is fused with the seed
    caryopsis
  33. stem below cotyledons
    hypocotyl
  34. stem above cotyledons
    epicotyl
  35. seed leaves
    cotyldeons
  36. stores energy material
    endosperm
  37. relative proportions of particles of different sizes
    soil texture
  38. aggregation (clumping) of mineral particles into compound structures
    arrangement of particles
    soil structure
  39. when electrons are shared
    covalent bonds
  40. unequal sharing of electrons
    polar bonds
  41. the attraction between similar compounds
    cohesion
  42. the attraction between dissimilar molecules
    adhesion
  43. nutrients required in larger amounts
    macronutrients
  44. nutrients required in the smallest amounts
    micronutrients
  45. positively charted ion
    cation
  46. negatively charged ion
    anion
  47. two or more elements bonded together to form an ion
    polyatomic ion
  48. unique characteristics controlled by one or more genes
    traits
  49. unit of inheritance passed from parent to offspring
    genes
  50. genetic makeup of an individual
    genotype
  51. appearance of an individual
    phenotype
  52. form of a gene
    allele
  53. all alleles are alike
    homozygous
  54. alleles are different
    heterozygous
  55. crossing (fertilization) of organisms with dissimilar genotypes
    hybridization
  56. cold regions that are typically below freezing
    boreal climate
  57. warm climate that never freezes
    tropical climate
  58. warm climate that occasionally freezes
    subtropical climate
  59. a climate with distinct seasons, typical of the US
    temperate climate
  60. one generation per year
    annual plant
  61. one generation occurs over several years
    perennial plant
  62. created the binomial classification system
    Carl Linnaeus
  63. have no seed coat and are generally soft wooded trees (conifers)
    gymnosperms
  64. flowering plants
    angiosperms
  65. genetically similar individuals that form interbreeding populations and produce fertile offspring and remain distinct from closely related species
    species
  66. capable of producing fertile offspring with other subspecies and have a difference due to environmental effects
    subspecies
  67. using plows and other equipment to till the soil, also known as continuous or clean till
    conventional tillage
  68. using chemicals and herbicides to till the soil
    conservation tillage
  69. reduce the number of trips from conventional tillage and relying more on round-up
    reduced till
  70. till and plant in one trip, cultivate next to crop
    strip till
  71. sudden changes in the heredity material of a cell
    mutation
  72. when all soil pores are full
    saturated soil
  73. amount of water held in soil against gravity
    field capacity
  74. water in the soil that isnt available to the plant
    wilting point
  75. the dissolving of one substance in another
    universal solvent
  76. ieal soil texture
    30% sand, 30% silt, 30% clay, 5% organic matter
  77. defined layers of top soils
    soil horizons
  78. a ripened ovary containing ovules
    fruit
  79. when the spikelet is attached to the central axis via a short stalk
    raceme
  80. when the spkelet is attached directly to the central axis
    spiked
  81. when the central axis is branched
    panicle
  82. collective term for sepals
    callyx
  83. encloses the outer parts of the flower
    sepals
  84. collective term for petals
    corolla
  85. colorful part of the flower
    petals
  86. pollen bearing organ (male parts)
    stamen
  87. site of pollen production
    anther
  88. supports the anther
    filament
  89. female flower part
    pistil
  90. site of pollen inception
    stigma
  91. supports the stigma
    style
  92.  members of the same species that have become geographically isolated
    subspecies
  93. an organism with one or more genes from another species
    GMOs
  94. organisms (plants) that have one or more genes from different SPECIES using recombinant DNA techonology
    transgenic plants
  95. rDNA, the recombination or joining DNA segments from two different species
    recombinant DNA
  96. enzymes that cuts strands of DNA at specific places
    restriction enzymes
  97. enzyme that can join sticky ends of two strands of DNA
    DNA ligase
  98. delivery vehicle used to introduce rDNA into a host cell
    vector
  99. 10 most common elements needed for plant growth
    • oxygen
    • hydrogen
    • carbon
    • nitrogen
    • potassium
    • calcium
    • phosphorus
    • magnesium
    • sulfur
    • iron
  100. largest of 3 particles, composed mainly of silicon
    sand
  101. smallest of 3 particles, composed mainly of aluminum
    clay
  102. intermediate sized particle
    silt
  103. adventitious roots that grow from the base of the stem and take over functions of the radicle
    seminal roots
  104. main area of growth in plants
    terminal bud
  105. embryonic shoot
    axillary bud
  106. first above ground leaf in a plant, forming a sheath around the stem
    coleoptile
  107. speed up reactions
    enzymes
  108. a bond made of unequal shared electrons
    polar covalent bond
  109. thread-like bodies that possess genes
    chromosomes
  110. Fx
    filial
  111. takes water and nutrients upward throughout the plant
    xylem
  112. carries food througout the plant
    phloem

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