Inadequacy of Two Kingdom Classification
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Questions and Answers

Why is the two-kingdom classification system considered inadequate?

  • It includes microorganisms like bacteria, fungi, and protists.
  • It lacks complexity and oversimplifies the diversity of life on Earth. (correct)
  • It perfectly fits all organisms into the Plantae and Animalia kingdoms.
  • It excludes macroscopic organisms from classification.
  • What significant group of organisms is neglected by the two-kingdom classification system?

  • Plants and animals
  • Viruses
  • Invertebrates
  • Microorganisms like bacteria, fungi, and protists (correct)
  • Which aspect of some organisms creates ambiguity in their classification under the two-kingdom system?

  • Lacking evolutionary history
  • Exhibiting characteristics of both plants and animals (correct)
  • Belonging to rare species
  • Being microscopic in nature
  • How have advancements in molecular biology impacted the two-kingdom classification system?

    <p>They have revealed evolutionary relationships not accounted for in the system.</p> Signup and view all the answers

    Which reason was NOT mentioned as a limitation of the two-kingdom classification system?

    <p>Inclusion of viruses in a separate kingdom</p> Signup and view all the answers

    What is one effect of neglecting microorganisms in the two-kingdom system according to the text?

    <p>Loss of crucial roles played by microorganisms in ecological processes</p> Signup and view all the answers

    Why is the two-kingdom classification system considered inadequate?

    <p>It neglects the diversity of protists and their unique characteristics.</p> Signup and view all the answers

    Which classification system proposed by Carl Woese includes Bacteria, Archaea, and Eukarya?

    <p>Three-domain system</p> Signup and view all the answers

    What is a limitation of the two-kingdom classification regarding evolutionary understanding?

    <p>It doesn't reflect the evolutionary relationships among organisms.</p> Signup and view all the answers

    Why do modern classification systems aim to organize organisms based on their evolutionary history?

    <p>To provide insights into shared ancestry and evolutionary pathways.</p> Signup and view all the answers

    What is a consequence of classifying organisms into only two kingdoms in terms of understanding ecology?

    <p>Insufficient insight into ecological roles and behaviors.</p> Signup and view all the answers

    Why has the two-kingdom classification system been largely replaced by more sophisticated systems?

    <p>To better reflect the diversity and complexity of life on Earth.</p> Signup and view all the answers

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