What is Life?
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Questions and Answers

What is a common evidence for being alive according to the text?

  • Static posture
  • Colorful appearance
  • Visible movement (correct)
  • Audible sounds

    • Why is there controversy about whether viruses are truly alive or not?

  • They do not exhibit growth
  • They lack visible movement
  • They do not show molecular movement (correct)
  • They are not composed of cells

    • What is mentioned as an example of invisible molecular movement in the text?

  • Infection of cells by viruses
  • Breathing of animals
  • Growth of plants
  • Movements of molecules (correct)

    • What characteristic of life do some animals exhibit without visible movement?

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

    Why do professional biologists consider molecular movements necessary for life?

    <p>They are essential for vital functions</p> Signup and view all the answers

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