Unveiling the World of Unicellular Organisms
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Questions and Answers

Which category do most prokaryotes fall into?

  • Protozoa
  • Unicellular fungi
  • Unicellular organisms (correct)
  • Multicellular organisms

    • Which category do most eukaryotes fall into?

  • Multicellular organisms (correct)
  • Bacteria
  • Archaea
  • Unicellular organisms

    • What is the oldest form of life?

  • Prokaryotic organisms
  • Unicellular organisms (correct)
  • Multicellular organisms
  • Eukaryotic organisms

    • Do prokaryotes live in colonies?

    <p>Yes, but they do not have specialized cells with differing functions.</p> Signup and view all the answers

    Do multicellular organisms have a unicellular life-cycle stage?

    <p>Yes, but only some multicellular organisms have a unicellular life-cycle stage.</p> Signup and view all the answers

    Which branch of science has contributed the most to understanding Earth's past?

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

    When did Earth form?

    <p>4.54 billion years ago</p> Signup and view all the answers

    What created the primordial atmosphere and ocean on Early Earth?

    <p>Volcanic outgassing</p> Signup and view all the answers

    What was the early atmosphere on Earth like?

    <p>Rich in carbon dioxide</p> Signup and view all the answers

    What caused much of the Earth to be molten during its earliest stage?

    <p>Meteorite impacts</p> Signup and view all the answers

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