CH 2: The Four Major Plant Divisions
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Questions and Answers

What is the primary habitat for mosses?

  • Damp and shaded habitats (correct)
  • Mountainous regions
  • Desert landscapes
  • Dry and sunny environments

    • Which plant division does not produce fruits or seeds?

  • Division Anthophyta
  • Division Bryophyta (correct)
  • Division Coniferophyta
  • Division Pteridophyta

    • Which plant division is characterized by true leaves, roots, and stems?

  • Division Anthophyta
  • Division Pteridophyta (correct)
  • Division Bryophyta
  • Division Coniferophyta

    • What is the term for a protective layer found on fern leaves?

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

    What type of structure do mosses possess instead of true roots, stems, or leaves?

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

    How do bryophytes anchor themselves in their environment?

    <p>With rhizoids</p> Signup and view all the answers

    What is the primary generation in the life cycle of bryophytes?

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

    What is the significant evolutionary leap made by pteridophytes?

    <p>All of the above</p> Signup and view all the answers

    What is the term for the division of fern leaves into smaller leaflets?

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

    What is the primary method of water absorption in mosses?

    <p>Directly through leaflets</p> Signup and view all the answers

    What enables ferns to attain greater heights than bryophytes?

    <p>Rhizomes serving as horizontal stems</p> Signup and view all the answers

    Which plant division relies on spore dissemination for propagation?

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

    What reproductive structures do gymnosperms rely on instead of flowers?

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

    Which plant division is characterized by enclosed seeds within fruits?

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

    What do angiosperms use as their main reproductive organs?

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

    Which plant division boasts true roots, stems, and leaves?

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

    What is the main role of male and female cones in gymnosperms?

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

    What adaptation did angiosperms evolve for successful reproduction and dispersal?

    <p>Flowers and fruits for reproduction and dispersal</p> Signup and view all the answers

    What is the primary method of reproduction in bryophytes?

    <p>Spore dispersal</p> Signup and view all the answers

    How do mosses absorb water?

    <p>Through leaflets</p> Signup and view all the answers

    Which structure in bryophytes anchors them and aids in water absorption?

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

    What feature is absent in mosses compared to other plants?

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

    Which division of plants is the most primitive of terrestrial plants?

    <p>Division Bryophyta</p> Signup and view all the answers

    What is the dominant generation in the life cycle of bryophytes?

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

    Which plant division has needle-like leaves and well-developed root systems?

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

    Which plant division uses cones for reproduction instead of flowers?

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

    Which plant division is known for its enclosed seeds within fruits?

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

    Which plant division uses sori beneath fronds for reproduction?

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

    Which plant division relies on spore dissemination for propagation?

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

    Which plant division is characterized by the sporophyte generation being dominant?

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

    Which plant division relies on water for reproduction?

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

    Which plant division utilizes wind for seed dispersal?

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

    Which plant division is characterized by a gametophyte generation dominance?

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

    Which plant division has true leaves, roots, and stems, but does not produce seeds?

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

    Which plant division relies on needle-like leaves and well-developed root systems for efficient water and nutrient uptake?

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

    Which division of plants uses both male and female cones for reproduction, and employs wind for seed dispersal?

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

    Which plant division has specialized water-absorbing structures, but lacks true roots, stems, and leaves?

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

    Which plant division utilizes flowers for reproduction, with seeds enclosed within fruits for dispersal?

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

    Which plant division has a gametophyte generation dominance and is mainly found in moist environments?

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

    Which plant division is characterized by a thallus structure in their gametophyte generation?

    <p>Division Bryophyta</p> Signup and view all the answers

    Which plant division has specialized water-absorbing structures called rhizoids and uses spores for reproduction?

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

    Which plant division has the ability to minimize water loss through the use of a protective cuticle on their leaves?

    <p>Division Pteridophyta</p> Signup and view all the answers

    Which plant division has true roots, stems, and leaves, but eschews flowers and fruits for cone-based reproduction?

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

    Which plant division boasts true leaves, roots, and stems, and is also characterized by sexual and asexual reproduction?

    <p>Division Pteridophyta</p> Signup and view all the answers

    Which plant division has true leaves, roots, and stems, but uses spores instead of seeds for propagation?

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

    Which plant division has needle-like leaves, well-developed root systems, and relies on cones for reproduction, with seeds dispersed by wind?

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

    Which plant division does not produce flowers, but utilizes cones for reproduction?

    <p>Division Gymnospermae</p> Signup and view all the answers

    Which plant division produces fruits enclosing seeds, making them ideal for successful dispersal?

    <p>Division Angiospermae</p> Signup and view all the answers

    Which plant division relies on water for reproduction and has rhizoids that anchor them in their environment?

    <p>Division Bryophyta</p> Signup and view all the answers

    Which plant division has evolved to have needle-like leaves and well-developed root systems?

    <p>Division Gymnospermae</p> Signup and view all the answers

    Which plant division uses sori beneath fronds for reproduction?

    <p>Division Pteridophyta</p> Signup and view all the answers

    Which plant division is defined by the sporophyte generation being dominant?

    <p>Division Gymnospermae</p> Signup and view all the answers

    What is the dominant generation in the life cycle of bryophytes?

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

    What key feature enables gymnosperms to transport water and nutrients throughout their structures?

    <p>Vascular tissues</p> Signup and view all the answers

    Which plant division boasts a heightened level of complexity with true roots, stems, and leaves?

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

    Which plant division boasts a thallus structure in the gametophyte generation and reproduces using spores?

    <p>Division Bryophyta</p> Signup and view all the answers

    What is the main method of reproduction in angiosperms?

    <p>Flowers for reproduction</p> Signup and view all the answers

    Which plant division relies on sporangia housed in sori beneath fronds for reproduction?

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

    What evolutionary leap is heralded by pteridophytes?

    <p>Attainment of true leaves, roots, and stems</p> Signup and view all the answers

    What serves as the primary reproductive strategy in gymnosperms?

    <p>Cones for reproduction</p> Signup and view all the answers

    Which plant division lacks true roots, stems, or leaves and relies on water absorption through leaflets?

    <p>Division Anthocerotophyta</p> Signup and view all the answers

    Which plant division uses rhizoids for anchorage and reproduces via spore dispersal?

    <p>Division Anthocerotophyta</p> Signup and view all the answers

    Which plant division showcases a robust vascular system and fibrous or taproot systems for water absorption?

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

    What ecological roles do gymnosperms, exemplified by pine trees, play?

    <p>Supplying timber and paper resources</p> Signup and view all the answers

    Which plant division relies on spore dispersal for reproduction and does not produce fruits or seeds?

    <p>Division Anthocerotophyta</p> Signup and view all the answers

    What feature in angiosperms distinguishes them from gymnosperms?

    <p>No cones for reproduction</p> Signup and view all the answers

    What distinguishes pteridophytes from bryophytes in terms of reproductive strategy?

    <p>Reliance on seeds instead of spores for propagation</p> Signup and view all the answers

    What adaptation did plants make as they transitioned from aquatic to terrestrial habitats?

    <p>Development of vascular tissues and seeds</p> Signup and view all the answers

    Which plant division is known for its diminutive stature and the absence of true roots, stems, or leaves?

    <p>Division Bryophyta</p> Signup and view all the answers

    What adaptation is common in the fronds of pteridophytes to minimize water loss?

    <p>Division into smaller leaflets with a protective cuticle</p> Signup and view all the answers

    What is the primary role of sporangia in ferns?

    <p>Producing spores for reproduction</p> Signup and view all the answers

    What distinguishes bryophytes from pteridophytes in terms of water absorption?

    <p>Direct water absorption through leaflets without a cuticle</p> Signup and view all the answers

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