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5 Written questions

5 Matching questions

  1. As compared to gymnosperms, angiosperms have/are...
  2. What is the oldest tree?
  3. Phylum Gingkophyta- is unique because it is...
  4. Ovary
  5. All seed plants are _____ and different spore types therefore give rise to...
  1. a Heterosporous; two different gametophytes
  2. b The last of its kind (only one remaining species)
    No longer exists in the wild
  3. c Are heterosporous
    Have non-motile sperm
    Ovules that are enclosed within sporophyte tissue at the time of pollination
    Carpels
  4. d Swollen base which consists of many ovules; ovary later develops into a fruit
  5. e Bristlecone pine (~4800 years old)
    Named Methuselah

5 Multiple choice questions

  1. Breaks the seed coat
  2. Gynoecium, which houses the female gametophytes

    Can have more than one carpel
  3. Butterflies (flowers may have a perch)
    Moths (pollinate at night, so flowers are scented and white)
    Beetles and flies (flowers sometimes smell like rotting flesh)
    Bats and small mammals
  4. Sepals (most flowers have 3-5, they are usually green)
    Next whorl consists of petals (usually colored to attract pollinators)
  5. -Some seeds only germinate when inhibitory chemicals leak out into the environment (requires water)
    Some seeds require cold period (stratification)
    Cones may not open to let out seeds unless exposed to heat from a fire (fire clears out competition and releases nutrients into the soil)

5 True/False questions

  1. Angiosperm life cycleMegaspore mother cell undergoes meiosis, followed by mitosis
    Microspore mother cells also undergoes meiosis followed by mitosis (results in pollen grain, which is the male gametophyte)

          

  2. What are all sperm carried within?Modified stems with modified leaves

          

  3. It is dioecious, meaningThe emergence of the first root (radicle)

          

  4. Some seeds only germinate after being passed through the digestive tract of the animal (which ensures dispersal), why?Digestive enzymes break down the seed coat
    Feces provide a natural fertilizer

          

  5. Acorns and nuts distributed byAn anther (holds pollen) and a filament (stalk)

          

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