Seed Plants Chapter 26 Quiz
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Seed Plants Chapter 26 Quiz

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Questions and Answers

When did fossil records indicate the first appearance of flowering plants?

  • Middle Jurassic
  • Upper Cretaceous
  • Lower Jurassic
  • Lower Cretaceous (correct)

    • What do angiosperms produce that contain male and/or female reproductive structures?

  • Fruits
  • Cones
  • Flowers (correct)
  • Seeds

    • In which era did the massive appearance and diversification of angiosperms take place?

  • Precambrian era
  • Cenozoic era
  • Mesozoic era (correct)
  • Paleozoic era

    • What played a key role in the ecology and evolution of flowering plants during the mid-Cretaceous?

    <p>Pollinating insects</p> Signup and view all the answers

    What period saw a staggering number of diverse flowering plants in the fossil record?

    <p>Mid-Cretaceous</p> Signup and view all the answers

    What is the role of paleobotanists?

    <p>Study ancient plants</p> Signup and view all the answers

    What advantage do seeds provide to plants?

    <p>Protection, nourishment, and a mechanism to maintain dormancy</p> Signup and view all the answers

    Why have seed plants become the most successful group of plants?

    <p>Their ability to disperse the next generation through space and time</p> Signup and view all the answers

    What distinguishes seed ferns as the first true seed plants?

    <p>Producing seeds along branches without specialized structures</p> Signup and view all the answers

    During which period did seed ferns, resembling modern tree ferns, become more numerous and diverse?

    <p>Carboniferous period</p> Signup and view all the answers

    Which plant is considered the earliest seed plant known to date?

    <p>Elkinsia polymorpha</p> Signup and view all the answers

    What evolutionary advantage do seed plants have over non-seed plants?

    <p>Dispersal of the next generation through space and time</p> Signup and view all the answers

    What is the function of secondary cambium in gymnosperms?

    <p>Generate the vascular system of the trunk</p> Signup and view all the answers

    Which gymnosperm phylum is considered the closest group to angiosperms?

    <p>Gnetophyta</p> Signup and view all the answers

    What adaptation in conifers helps reduce water evaporation from leaves?

    <p>Having thick cuticles</p> Signup and view all the answers

    Which of the following is NOT a familiar evergreen conifer tree?

    <p>Maple</p> Signup and view all the answers

    In cold climates, which group of plants dominates due to adaptations to cold and dry weather?

    <p>Gymnosperms</p> Signup and view all the answers

    What distinguishes deciduous conifers from typical conifers?

    <p>Losing leaves in fall</p> Signup and view all the answers

    What is the term for a plant that carries both male and female reproductive organs on the same mature sporophyte?

    <p>Monoecious</p> Signup and view all the answers

    Which term describes the production of male microspores and female megaspores in gymnosperms?

    <p>Heterosporous</p> Signup and view all the answers

    What is pollination defined as in the life cycle of a gymnosperm?

    <p>Initiation of pollen tube growth</p> Signup and view all the answers

    In gymnosperms, where are the male microspores produced?

    <p>Male cones (staminate cones)</p> Signup and view all the answers

    What is the term for plants that have male and female reproductive organs on separate plants?

    <p>Dioecious</p> Signup and view all the answers

    At fertilization in gymnosperms, which two cells unite?

    <p>Haploid sperm cell and haploid egg cell</p> Signup and view all the answers

    When did the first gymnosperms most likely originate?

    <p>Middle Devonian period</p> Signup and view all the answers

    Which group of gymnosperms includes the only surviving species Gingko biloba?

    <p>Gingkoales</p> Signup and view all the answers

    During which era did gymnosperms expand, supplanting ferns in the landscape?

    <p>Mesozoic era</p> Signup and view all the answers

    Which ecosystem is mentioned in the text where gymnosperms still dominate due to their adaptation to cold and dry growth conditions?

    <p>Taiga (boreal forests)</p> Signup and view all the answers

    What characterized the Permian period, giving a reproductive edge to seed plants?

    <p>Dry conditions</p> Signup and view all the answers

    Which group of gymnosperms dominated the Jurassic period along with dinosaurs?

    <p>Cycads</p> Signup and view all the answers

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