Plant Kingdom and Photosynthesis
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Questions and Answers

How many accepted species of plants are there, with the majority producing seeds?

  • 200,000
  • 450,000
  • 283,000
  • 382,000 (correct)
  • When did the first land plants appear?

  • 1,200 million years ago
  • 1000 million years ago
  • 500 million years ago
  • 450 million years ago (correct)
  • What is the branch of biology that focuses on the scientific study of plants?

  • Zoology
  • Mycology
  • Entomology
  • Botany (correct)
  • What was the name of the kingdom created by Linnaeus for the plant kingdom?

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

    What is the main activity of green plants that supplies the energy for most of Earth's ecosystems?

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

    Which organisms form the clade Viridiplantae (green plants)?

    <p>Green algae and embryophytes</p> Signup and view all the answers

    What is the primary source of energy for plants?

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

    What is the common factor among hornworts, liverworts, mosses, lycophytes, ferns, conifers, and flowering plants?

    <p>They all produce seeds</p> Signup and view all the answers

    What is the primary function of chloroplasts in plants?

    <p>Produce sugars from carbon dioxide and water</p> Signup and view all the answers

    How many known species of plants produce seeds?

    <p>260,000</p> Signup and view all the answers

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