Introduction to Biology
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Questions and Answers

What is a unifying theme in biology that explains the unity and diversity of life?

  • Regulation of internal environments
  • Cellular structure
  • Energy processing
  • Evolution (correct)

    • What encodes hereditary information in organisms?

  • Lipids
  • Genes (correct)
  • Proteins
  • Carbohydrates

    • What allows organisms to move, grow, and reproduce?

  • Heredity
  • Cellular structure
  • Regulation of internal environments
  • Energy processing (correct)

    • At what levels of organization can biologists study life?

    <p>From molecular biology to evolution of populations</p> Signup and view all the answers

    Which type of organisms emerged more than 3.7 billion years ago on Earth?

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

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