Gnetophytes and Ginkgoes: Characteristics and Examples
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Questions and Answers

What is the main difference between angiosperms and gymnosperms when it comes to seed enclosure?

  • Angiosperms do not produce seeds, while gymnosperms have seeds enclosed within fruits.
  • Angiosperms have seeds enclosed within a fruit, while gymnosperms have naked seeds exposed on cones. (correct)
  • Angiosperms have seeds enclosed within cones, while gymnosperms have naked seeds exposed on flowers.
  • Angiosperms have naked seeds, while gymnosperms have seeds enclosed within flowers.

    • Which group of plants primarily rely on wind for pollination?

  • Gymnosperms (correct)
  • Coniferophytes
  • Angiosperms
  • Eudicots

    • What is a unique feature of angiosperms related to fertilization that gymnosperms lack?

  • Production of multiple zygotes
  • Fertilization through animal vectors
  • Triple fertilization producing endosperm (correct)
  • Production of pollen grains

    • Which plant group is known for having needle-like or scale-like leaves adapted for water conservation?

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

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

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

    Which group of plants includes species like conifers, cycads, gnetophytes, and ginkgophytes?

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

    What significant feature allows angiosperms to become the most dominant plant group in terrestrial ecosystems?

    <p>Variety of leaf shapes and reproductive structures</p> Signup and view all the answers

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