Definition of Life in Biology
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Questions and Answers

Which of the following is an example of a macromolecule?

  • Water
  • Carbon dioxide
  • Glucose
  • DNA (correct)
  • What is the smallest fundamental unit of structure and function in living organisms?

  • Cells (correct)
  • Organelles
  • Tissues
  • Organs
  • Which type of cells lack organelles surrounded by a membrane and do not have nuclei?

  • Plant cells
  • Prokaryotic cells (correct)
  • Eukaryotic cells
  • Animal cells
  • What is the level of organization that consists of functionally related organs?

    <p>Organ systems</p> Signup and view all the answers

    Which of the following statements is true about viruses?

    <p>Viruses need to invade living cells to reproduce.</p> Signup and view all the answers

    What is the fundamental unit of matter that consists of a nucleus surrounded by electrons?

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

    Why do viruses not meet the criteria to be classified as living organisms?

    <p>They lack certain characteristics of living entities</p> Signup and view all the answers

    In biology, what do biologists seek to understand regarding the diversity of life?

    <p>How did this diversity arise and how is it continuing</p> Signup and view all the answers

    What is the science that studies life and its various aspects?

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

    What is the hierarchy scale that living things follow, from small to large?

    <p>Atom-Molecule-Organelle-Cell-Tissue</p> Signup and view all the answers

    Which type of cells are classified as single-celled organisms that lack organelles surrounded by a membrane and do not have nuclei?

    <p>Prokaryotic cells</p> Signup and view all the answers

    What is the level of organization that consists of tissues grouped together based on a common function?

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

    Which of the following is false regarding the structure of living organisms?

    <p>Organelles exist within cells which exist within tissues.</p> Signup and view all the answers

    In which level of organization do communities exist within populations which exist within ecosystems?

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

    Which of the following is true regarding viruses?

    <p>Viruses lack organelles and nuclei.</p> Signup and view all the answers

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