Evolution of Prokaryotes Quiz
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Questions and Answers

Which of the following is a defining characteristic of prokaryotes?

  • Presence of a cell wall
  • Multicellularity
  • Presence of a nucleus
  • Absence of membrane-bound organelles (correct)
  • In the three-domain system, what is the highest rank in the classification of organisms?

  • Domain (correct)
  • Phylum
  • Class
  • Kingdom
  • Which of the following domains includes all eukaryotic organisms?

  • Eukarya (correct)
  • Bacteria
  • Protista
  • Archaea
  • What was the basis for the pioneering work of Carl Woese and others in proposing the three-domain system?

    <p>Comparing sequences of small-subunit ribosomal RNA (SSU rRNA)</p> Signup and view all the answers

    Which of the following domains includes the kingdom Bacteria?

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

    In the past, how were living things grouped before the three-domain system was proposed?

    <p>Into five kingdoms: animals, plants, fungi, protists, and prokaryotes</p> Signup and view all the answers

    When did prokaryotes first appear on Earth based on fossil evidence?

    <p>3.5 to 3.8 billion years ago</p> Signup and view all the answers

    Which domains of life are prokaryotic?

    <p>Archaea and Bacteria</p> Signup and view all the answers

    Where can prokaryotes be found based on the text?

    <p>In extreme environments and moderate environments</p> Signup and view all the answers

    What was the proposed process for the evolution of prokaryotic species according to some authors?

    <p>Evolved from eukaryotic ancestors through simplification</p> Signup and view all the answers

    In what regions can prokaryotes be found according to the text?

    <p>In areas without oxygen and extremely high-pressure environments</p> Signup and view all the answers

    What role do prokaryotes play in food preparation?

    <p>They aid in food preservation</p> Signup and view all the answers

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