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 (C)</p> Signup and view all the answers

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

<p>Thallus (C)</p> Signup and view all the answers

How do bryophytes anchor themselves in their environment?

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

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

<p>Gametophyte (C)</p> Signup and view all the answers

What is the significant evolutionary leap made by pteridophytes?

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

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

<p>Pinnation (B)</p> Signup and view all the answers

What is the primary method of water absorption in mosses?

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

What enables ferns to attain greater heights than bryophytes?

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

Which plant division relies on spore dissemination for propagation?

<p>Bryophytes (C)</p> Signup and view all the answers

What reproductive structures do gymnosperms rely on instead of flowers?

<p>Cones (A)</p> Signup and view all the answers

Which plant division is characterized by enclosed seeds within fruits?

<p>Angiosperms (C)</p> Signup and view all the answers

What do angiosperms use as their main reproductive organs?

<p>Flowers (C)</p> Signup and view all the answers

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

<p>Gymnosperms (A)</p> Signup and view all the answers

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

<p>Pollination (C)</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 (C)</p> Signup and view all the answers

What is the primary method of reproduction in bryophytes?

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

How do mosses absorb water?

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

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

<p>Rhizoids (A)</p> Signup and view all the answers

What feature is absent in mosses compared to other plants?

<p>Roots (D)</p> Signup and view all the answers

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

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

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

<p>Gametophyte (D)</p> Signup and view all the answers

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

<p>Gymnosperms (B)</p> Signup and view all the answers

Which plant division uses cones for reproduction instead of flowers?

<p>Gymnosperms (C)</p> Signup and view all the answers

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

<p>Angiosperms (C)</p> Signup and view all the answers

Which plant division uses sori beneath fronds for reproduction?

<p>Pteridophytes (B)</p> Signup and view all the answers

Which plant division relies on spore dissemination for propagation?

<p>Pteridophytes (D)</p> Signup and view all the answers

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

<p>Angiosperms (B)</p> Signup and view all the answers

Which plant division relies on water for reproduction?

<p>Bryophytes (A)</p> Signup and view all the answers

Which plant division utilizes wind for seed dispersal?

<p>Gymnosperms (C)</p> Signup and view all the answers

Which plant division is characterized by a gametophyte generation dominance?

<p>Bryophytes (D)</p> Signup and view all the answers

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

<p>Pteridophytes (C)</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 (B)</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 (D)</p> Signup and view all the answers

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

<p>Bryophytes (B)</p> Signup and view all the answers

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

<p>Angiosperms (C)</p> Signup and view all the answers

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

<p>Bryophytes (D)</p> Signup and view all the answers

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

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

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

<p>Bryophytes (B)</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 (A)</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 (A)</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 (A)</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 (A)</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 (A)</p> Signup and view all the answers

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

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

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

<p>Division Angiospermae (B)</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 (B)</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 (C)</p> Signup and view all the answers

Which plant division uses sori beneath fronds for reproduction?

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

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

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

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

<p>Gametophyte (C)</p> Signup and view all the answers

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

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

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

<p>Gymnosperms (B)</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 (C)</p> Signup and view all the answers

What is the main method of reproduction in angiosperms?

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

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

<p>Pteridophytes (A)</p> Signup and view all the answers

What evolutionary leap is heralded by pteridophytes?

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

What serves as the primary reproductive strategy in gymnosperms?

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

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

<p>Division Anthocerotophyta (A)</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 (D)</p> Signup and view all the answers

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

<p>Supplying timber and paper resources (D)</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 (B)</p> Signup and view all the answers

What feature in angiosperms distinguishes them from gymnosperms?

<p>No cones for reproduction (C)</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 (C)</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 (D)</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 (B)</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 (B)</p> Signup and view all the answers

What is the primary role of sporangia in ferns?

<p>Producing spores for reproduction (D)</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 (B)</p> Signup and view all the answers

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