Phylum Lycopodiophyta: Characteristics and Evolution
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Questions and Answers

What is a characteristic feature of Lycopodiophyta?

  • True roots, stems, and macrophylls
  • True roots, rhizomes, and microphylls (correct)
  • True stems, leaves, and microphylls
  • True roots, leaves, and macrophylls

    • What is the maximum height of club mosses at present?

  • 10 meters
  • 20 meters
  • 40 meters
  • 25 centimeters (correct)

    • What type of spores does the spike moss produce?

  • Two types of spores: microspore and megaspore (correct)
  • One type of spore: macrospore
  • Microspores only
  • Megaspores only

    • What is the characteristic feature of quillworts?

    <p>The absence of an aerial stem</p> Signup and view all the answers

    What is the function of megaspore in quillworts?

    <p>It develops into female gametophyte</p> Signup and view all the answers

    What is the term for the arrangement of sporophylls in club mosses?

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

    What characteristic allows vascular plants to grow with greater height and thrive with efficiency?

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

    Which of the following is a characteristic of non-vascular plants?

    <p>Presence of a sporophyll</p> Signup and view all the answers

    Which phylum consists of ferns, horsetails, and whisk ferns?

    <p>Phylum Monilophyta</p> Signup and view all the answers

    What is a characteristic that distinguishes vascular plants from non-vascular plants?

    <p>Presence of true roots</p> Signup and view all the answers

    What is the term for a plant that produces two types of spores?

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

    What is the term for a plant that produces only one type of spore?

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

    What is the characteristic of sperm in seedless vascular plants?

    <p>Flagellated and swimming</p> Signup and view all the answers

    What is the term for plants that possess only one type of spore?

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

    Which phylum of seedless vascular plants is also referred to as Lycophyta?

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

    What is the characteristic of the environment required by most seedless vascular plants?

    <p>Moist and humid</p> Signup and view all the answers

    What is the term for the modified leaves that bear sporangia in seedless vascular plants?

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

    According to the phylogeny of seedless vascular plants, which scientist's work is referenced?

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

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