Author:
dmk5154
ID:
165078
Filename:
Biol110, test 5- tut. 31-36.txt
Updated:
2012-08-05 20:33:41
Tags:
biol110 psu
Folders:

Description:
biol110 test 5 tut. 31-36
Show Answers:

  1. staminate and carpellate are the two types of ___________ flowers
    imperfect (one sex present)
  2. A plant with carpellate flowers would only produce ______ and ___________
    eggs ; fruit
  3. When one purchases a coconut, they are actually buying a seed, not a fruit. In fact, it is the largest known seed. Most of the coconut fruit is removed prior to selling. Given what you've now learned about seed development, which of the following best describes the bulk of what is eaten?
    triploid endosperm
  4. A tree trunk becomes wider and taller with each passing year. The growth in height that you observe is due to the shoot __________ _________.
    apical meristem
  5. photosynthesis, uptake of water, & vegtative reproduction are all functions of ____________
    roots
  6. storage of nutrients, transport of nutrients & water, and physical support are all fuctions of _______
    stems
  7. Pineapple leaves are unique so that they help capture ________, photosynthesize, and supply nutrients to the rest of the plant
    water
  8. A dioecious plant must have flowers that are ___________.
    imperfect
  9. the stigma, style, and ovary are all that make up the ___________ of flowering plants
    carpel
  10. the carpel in flowering plants is made up of ___________ (3)
    stigma, style, & ovule(or ovary)
  11. two fertilization events that take place in the _________ are called double fertilization
    ovule
  12. In flowering seeded plants, the seeds consist of an embryo (_n), endosperm (_n), and a seed coat that has (_n) tissue
    diploid; triploid; diploid
  13. sexual reproduction is a function of roots. (T/F?)
    False
  14. ________ are an eample of modified stem. such as potoatos are examples of these
    tubers
  15. vegetative reproduction does not involve seeds; it is reproduction by ___________
    stem cutting
  16. All flowering plants are homosporous, (i.e. they produce spores of one kind only) (true/false?)
    False
  17. most plants follow a pattern of _____________ growth, while most animals have a pattern of determinate growth.
    indeterminate
  18. _________ contains the nutrients needed by the developing embryo in a seed; it is triploid
    endosperm
  19. petals are gamete producing structures (T/F)?
    False
  20. the male structure of the flower is called the __________; it contains the filament(support stem) and Anther (pollen producer)
    stamen
  21. The ______ is the pollen producing male structure of a flower
    anther
  22. the male pollen must reach the female ________ for pollenation to occur
    stigma
  23. pollen produce the ______
    sperm cells
  24. a seed is composed of _______ parental tissue and new _______ sporophytic tissue
    haploid, diploid
  25. ____________ are more closely related to angiosperms than any other nonflowering plants because they are the only gymnosperms to undergo a process known as double fertilization
    gnetophyte
  26. In _____________, two sperm cells enter the ovule; one fertilizes the egg and the other fertilizes another cell within the ovary.
    double fertilization
  27. in a nonflowering pineseed, the embryo is ___________-, it is encased by haploid ____________, and the bulk of the structure is parental ____________
    sporophytic, gametophytic, sporophytic
  28. In seed plants, the ___________ generation is more reduced than in seedless plants
    gametophytic
  29. In seed plants, the microgametophyte is the _______________.
    pollen grain
  30. compared to flowering seed plants, nonflowering seeded plants lack ___________
    ovaries
  31. In a pine tree, _____________ has occurred when the pollen grain enters the micropyle.
    pollenation
  32. The pollen tube _____________________.
    conveys the sperm
  33. the mature pine tree (and fern) is a _____ophyte, while it goes through meiosis and mitosis, then the new developing pine tree(/fern) is called a ______________ophyte
    sporophyte, gametophyte
  34. micrgametophytes are male, while _________ are female. these female structures allow pollenation through an opening called ____________
    megagametophyte; micropyles
  35. a _____ is a fertilized mature ovule
    seed
  36. ______-- are slow growing and long lived perennials. They are dioecious (male + female)
    cycads (ginkos also)
  37. _____ are monoecious OR dioecious.
    conifers
  38. seedless vascular plants THRIVED because of their vascularity; their advantage was ...
    growing taller over the competition
  39. vascular tissue consists of _______ & ________
    xylem ; phloem
  40. _________ is primarily the vascularture that transports water and minerals(nonliving cells) (roots up to stem & leaves)
    xylem
  41. ___________ transports the sugars made during photosynthesis down to the roots for energy (leaves & stem to roots)
    phloem
  42. Vascular tissue gives support to plants. __________ is embedded in plant cell walls between the cellulose matrix, and it is a very stable molecule that does not break down easily. We are able to use wood in construction because of the strength that (this) provides
    Lignin
  43. The leaf (frond) and antheridium are exemplary of alternation of generations in ferns because...
    the leat is (2n) and antheridium is (1n) pre-zygote stage
  44. _________ produces spores! always!
    meiosis
  45. sperm are produced in the male gametangium-- the "____________"
    antheridium
  46. eggs are produced in the female gametangium, the "_________"
    archegonium
  47. _________ are the root-like structures that function to anchor them to the surface they are growing on, however, they are not capable of water uptake
    rhizoid
  48. ________ plants grow close to moisture and close to the ground. (moss)
    nonvascular
  49. ___________ is made of lipids and due to their properties are solid and disallow water permeability, preventing disiccation (good for dry land area plants)
    waxy cuticles
  50. Modern land plants have much in common with the group of green algae called __________, and charophytes are the closest relatives of the plant kingdom.
    charophytes
  51. the moss lifecycle: the dominant form is ___________ (_n); mitosis- _______ state(_n)-meiosis-mitosis to return to dominant state.
    gametophyte (1n); sporophyte (2n)
  52. You are walking along a road and observe a plant growing near a puddle of water. The plant body is growing well above the ground, but you do not see any evidence of flower structures or seeds. Based on your observations and by the process of elimination, this plant could be a ________.
    fern
  53. What major adaptation to life on land is lacking in mosses, distinguishing them as the most primitive group of plants?
    NO vascular tissue
  54. Occupation of land was advantageous to plants because there was direct access to sunlight and herbivorous organisms were not yet well established. Which disadvantages had to be overcome by all plants for terrestrial occupation?
    lack of protection from desiccation
  55. You are wading through a shallow marine area and come across a multicellular photosynthetic organism with a cellulosic cell wall, a waxy cuticle and stomata, but no vasculature. This organism should be classified as a(n) _______________.
    plant
  56. Chloroplasts are functionally important in cells of the gametophytes of both angiosperms and gymnosperms? True or false?
    FALSE
  57. Gymnosperms differ from both extinct and extant(existing) ferns because they have
    pollen
  58. Which of the following is a structure of angiosperm gametophytes? ovaries, pollen tubes, sepals, immature ovaries, or stamens?
    pollen tubes
  59. In most fungi, karyogamy does not immediately follow plasmogamy, which consequently results in heterokaryotic or ___________ cells
    dikaryotic
  60. The multicellular condition of animals and fungi seems to have arisen by _______________
    convergent evolution
  61. The ascomycetes get their name from which aspect of their life cycle?
    sexual structures
  62. Fungi have unique life cycles. A fungi that has two parental nuclei in one cell is referred to as a ___________.
    dikaryon
  63. __________ are thought to be the ancestral group of fungi, even though they have flagella
    Chytrids
  64. Common bread molds thrive in a warm, moist breadbox. They survive by producing ____________ to reproduce
    zygosporangium
  65. a mycorrhizae can best be descrived as a _________ between fungus and a plant root
    mutualistic symbiosis
  66. the fusion of two nuclei is called _________
    karyogomy
  67. th fusion of cytoplasms is called __________
    plasmogomy
  68. What is the correct order of nuclear/cytoplasmic events during the sexual reproductive life cycle of a zygomycete? -------------- karyogomy, plasmogomy, meiosis?
    plasmogomy, karyogomy, meiosis
  69. fungi DO NOT photosynthesize anything? True or false?
    True
  70. What kind of a relationship do the deciduous trees share with fungi?
    pathogenic
  71. fungi are mostly nonmotile, so what adaptive feature allows them to be such sucessful decomposers, pathogens, and symbionts?
    production of large numbers of easily dispersed spores in sexual/asexual reproduction
  72. Why is meiosis/sexual recombination not essential for the survival of an ascomycete?
    it can produce asexual conidia in the haploid state
  73. Why does an ascus contain eight ascospores after meiosis (which usually results in the production of four)?
    the four haploid ascospores undergo an ADDITIONAL ROUND OF MITOSIS! after meosis is complete(mitosis-meiosis-mitosis)!
  74. A mushroom that you are likely to see in a forest or at the grocery store is a _________
    basidocarp