Year 8 Biology: Cells and Levels of Organisation
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Questions and Answers

What is the smallest entity that retains the properties of life?

  • System
  • Organ
  • Cell (correct)
  • Tissue

    • What do plant and animal cells contain that carry out specific functions within the cell?

  • Cell walls
  • Cytoplasm
  • Chloroplasts
  • Membrane bound organelles (correct)

    • What is the level of organisation that is made up of specific types of cells?

  • Organism
  • System
  • Tissue (correct)
  • Organ

    • What is the term for cells that have specific structures that enable them to perform specific functions?

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

    How are living organisms classified based on the characteristics of their cells?

    <p>Into kingdoms</p> Signup and view all the answers

    What do all living things consist of, according to the cell theory?

    <p>One or more cells</p> Signup and view all the answers

    What is the primary function of muscle tissue in the human body?

    <p>To contract when stimulated by nerve impulses</p> Signup and view all the answers

    What type of tissue provides the means of communication between all body structures?

    <p>Nervous tissue</p> Signup and view all the answers

    What is the primary function of epithelial tissue in the human body?

    <p>To provide a barrier against damage and fluid loss</p> Signup and view all the answers

    Which type of cell is responsible for voluntary movement in the human body?

    <p>Muscle cells</p> Signup and view all the answers

    What is the primary function of connective tissue in the human body?

    <p>To support and bind other tissues together</p> Signup and view all the answers

    What type of tissue is fat an example of?

    <p>Connective tissue</p> Signup and view all the answers

    What is the main characteristic of cells in multicellular organisms?

    <p>They have specific structures that enable them to perform specific functions</p> Signup and view all the answers

    What is the level of organization that consists of a number of different systems that work together?

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

    What is the common characteristic of all living organisms, according to the cell theory?

    <p>They are all composed of one or more cells</p> Signup and view all the answers

    What is the purpose of a Venn diagram in comparing cell structure?

    <p>To show the similarities and differences between plant and animal cells</p> Signup and view all the answers

    What is the characteristic of plant and animal cells that enables them to carry out specific functions?

    <p>They contain membrane-bound organelles</p> Signup and view all the answers

    What is the level of organization that consists of a specific type of tissue?

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

    What is the main function of nerve cells in the human body?

    <p>To provide the means of communication between all body structures</p> Signup and view all the answers

    Which type of muscle is responsible for involuntary movements in the human body?

    <p>Smooth muscles</p> Signup and view all the answers

    What is the primary function of epithelial tissue in the human body?

    <p>To line internal and external surfaces</p> Signup and view all the answers

    What is the main function of cardiac muscles in the human body?

    <p>To pump blood throughout the body</p> Signup and view all the answers

    What is the main function of connective tissue in the human body?

    <p>To support and protect against damage and heat loss</p> Signup and view all the answers

    What is the main function of fat cells in the human body?

    <p>To store energy in the form of fat</p> Signup and view all the answers

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