Introduction to Biology: What is Life?
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Questions and Answers

What is the basic unit of life?

  • Tissues
  • Atoms
  • Cells (correct)
  • Molecules
  • Which of the following is NOT a theme of Biology?

  • Evolution
  • Interdependence of organisms
  • Reproduction
  • Photosynthesis (correct)
  • What do we call the process by which organisms maintain stable internal conditions?

  • Homeostasis (correct)
  • Hemostasis
  • Homeopathy
  • Hypertension
  • How did life arise on Earth more than 3.5 billion years ago?

    <p>It remains unknown</p> Signup and view all the answers

    What is the genetic information contained in cells called?

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

    What is the study of life called?

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

    What was the first form of life on Earth?

    <p>Single-celled organisms</p> Signup and view all the answers

    In which organelle does photosynthesis occur in plant cells?

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

    Which statement about cells is true?

    <p>Cells undergo differentiation and are highly organized.</p> Signup and view all the answers

    What do we call the process by which organisms maintain very stable internal conditions?

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

    What is the term for the process by which some organisms capture the energy from the sun and transform it?

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

    Which term refers to the transmission of hereditary information to offspring?

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

    What is the driving force in evolution, causing a gradual change in populations over many generations?

    <p>Natural selection</p> Signup and view all the answers

    Which process results in the combining of hereditary information from two different organisms of the same species?

    <p>Sexual reproduction</p> Signup and view all the answers

    What is the term for the genetic information from a single parent being passed on to resulting cells with identical hereditary information?

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

    Which process explains why organisms look and behave the way they do and provides a basis for exploring relationships among different groups of organisms?

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

    What is the term for the interaction of organisms with one another and with their environment?

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

    What is the term for the survival of organisms with favorable traits causing gradual changes in populations over generations?

    <p>Natural selection</p> Signup and view all the answers

    Which term represents the genetic information in all cells that contains instructions for traits?

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

    Which process involves hereditary information from one, usually unicellular, organism that divides into cells with identical hereditary information?

    <p>Asexual reproduction</p> Signup and view all the answers

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