Introduction to Biology
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Questions and Answers

What unifying theme ties together the field of biology?

  • Study of life at multiple levels
  • Regulation of internal environments
  • Energy processing
  • Cells and hereditary information (correct)
  • Which major theme explains the unity and diversity of life?

  • Regulation of internal environments
  • Evolution (correct)
  • Study of life at multiple levels
  • Energy processing
  • What allows organisms to move, grow, and reproduce?

  • Regulation of internal environments
  • Cells and hereditary information
  • Evolution
  • Energy processing (correct)
  • What emerged more than 3.7 billion years ago?

    <p>Life on Earth</p> Signup and view all the answers

    What do biologists use to make observations, pose questions, and form conclusions?

    <p>Scientific method</p> Signup and view all the answers

    What is the approximate total body water as a percentage of total body weight in lean healthy adult men?

    <p>60%</p> Signup and view all the answers

    In a lean 70 kg (150 lb) man, approximately how many liters of water are inside cells?

    <p>$28$ (28–32) liters</p> Signup and view all the answers

    What is the ratio of interstitial fluid volume to vascular volume in the extracellular fluid compartment?

    <p>3:1</p> Signup and view all the answers

    Which fluid compartment contains about 2/3 of the interstitial fluid?

    <p>Lymphatic fluid compartment</p> Signup and view all the answers

    What percentage of body weight is the total body water usually slightly lower in women?

    <p>$52$-$55$%</p> Signup and view all the answers

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