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Flower Anatomy and Reproduction Study Guide III
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Flower Anatomy and Reproduction Study Guide III

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Questions and Answers

During double fertilization in angiosperms, what is the product when one sperm fertilizes the egg?

  • Zygote (2n) (correct)
  • Endosperm (3n)
  • Ovule
  • Pollen grain
  • What is the primary function of the cotyledon in a developing seedling?

  • Gas exchange
  • Photosynthesis
  • Protection
  • Nutrient absorption (correct)
  • In plant reproduction, what process involves cross-pollination between individuals of the same species?

  • Asexual reproduction
  • Outcrossing (correct)
  • Selfing
  • Fertilization
  • How do dicots protect the shoot apical meristem of a seedling as it emerges from the soil?

    <p>Hypocotyl hook</p> Signup and view all the answers

    Why is genetic variability important for plants?

    <p>To adapt to environmental conditions</p> Signup and view all the answers

    How are the diversity of flowers and fruit types associated with plant fitness and dispersal, respectively?

    <p>Flowers co-evolve with pollinators; fruit types co-evolve with seed dispersers</p> Signup and view all the answers

    What are the parts of a typical flower?

    <p>Carpel, stamen, petal, sepal</p> Signup and view all the answers

    What is the main difference between bisexual and unisexual flowers?

    <p>Bisexual flowers have male and female reproductive organs in the same flower, while unisexual flowers have them in separate flowers.</p> Signup and view all the answers

    Where do monoecious plants have male and female flowers?

    <p>On the same plant</p> Signup and view all the answers

    What is a defining characteristic of dioecious plants?

    <p>They do not have male and female flowers on the same plant.</p> Signup and view all the answers

    How many cells make up an immature male gametophyte in flowering plants?

    <p>2 cells</p> Signup and view all the answers

    How many cells are present in a mature male gametophyte in flowering plants?

    <p>3 cells</p> Signup and view all the answers

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