Gnetophytes and Ginkgoes: Characteristics and Examples
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Questions and Answers

Which group of plants is characterized by the presence of flowers and fruits?

  • Gnetophytes
  • Conifers
  • Angiosperms (correct)
  • Gymnosperms
  • What unique feature of angiosperms involves one sperm fertilizing the egg and another fertilizing two polar nuclei to form the endosperm?

  • Double fertilization (correct)
  • Pollen production
  • Leaves adaptation
  • Seed enclosure
  • Which group of plants primarily relies on wind for the pollination of their seeds?

  • Monocots
  • Angiosperms
  • Conifers
  • Gymnosperms (correct)
  • What do gymnosperms typically have that helps them conserve water?

    <p>Needle-like leaves</p> Signup and view all the answers

    Which group of plants shows a more complex vascular tissue system allowing for higher efficiency in water and nutrient transport?

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

    Which structure allows for the dispersal of sperm without the need for water in seed plants?

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

    What is a key difference between angiosperms and gymnosperms related to seed enclosure?

    <p>&quot;Naked&quot; seeds in gymnosperms, enclosed seeds in angiosperms</p> Signup and view all the answers

    Which group of plants is known for being either monoecious or dioecious, having male and female reproductive structures on the same or separate plants?

    <p>&quot;Gymnosperm&quot; plants</p> Signup and view all the answers

    'Progymnosperms' served as a transitional group with traits of both conifers and ferns. In what type of climate did they thrive?

    <p>&quot;Wet to dry&quot; climate shift</p> Signup and view all the answers

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