Understanding Organisms: Characteristics and Homeostasis
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Questions and Answers

What is homeostasis?

  • The process by which systems within an organism work together to maintain a consistent internal environment. (correct)
  • The smallest unit of life within an organism.
  • A structure found in multicellular organisms.
  • A process by which organisms utilize energy to live.

    • Which of the following is a characteristic of living things?

  • Having a static internal environment.
  • Using energy to live. (correct)
  • Lacking the ability to respond to stimuli.
  • Regulating external environment.

    • What is the importance of maintaining homeostasis in organisms?

  • To produce energy from food molecules.
  • To avoid imbalance that could lead to disease or death. (correct)
  • To prevent cell division processes.
  • To ensure the structural organization of cells.

    • How do unicellular and multicellular organisms differ structurally?

    <p>Multicellular organisms are organized into cells, tissues, organs, and organ systems.</p> Signup and view all the answers

    What is the hereditary material found in cells used for?

    <p>To replicate through cell division processes.</p> Signup and view all the answers

    Which organelles are only found in plant cells?

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

    What is the main function of connective tissue in mammals?

    <p>Supporting and connecting tissues</p> Signup and view all the answers

    Which of the following is an example of an organ system in humans?

    <p>Endocrine System</p> Signup and view all the answers

    What distinguishes eukaryotic cells from prokaryotic cells?

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

    Which of these organ systems is responsible for nutrient transportation in humans?

    <p>Circulatory System</p> Signup and view all the answers

    Which domain in Carl Woese's classification system includes both unicellular and multicellular organisms?

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

    Which of the following is NOT an example of a multicellular living organism?

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

    What type of living organism are kelps (brown algae)?

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

    Which domain in Carl Woese's classification system are Lactobacillus acidophilus and Pyrolobus fumarii classified under?

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

    Which of the following is an example of a living organism that can infect animals?

    <p>Q fever bacteria</p> Signup and view all the answers

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