Cell Specialization in Living Organisms
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Questions and Answers

What is the main difference between unicellular and multicellular organisms?

  • Unicellular organisms contain millions of cells, while multicellular organisms have a single cell.
  • In unicellular organisms, a single cell carries out all basic functions, while in multicellular organisms, different groups of cells are specialized to carry out specific functions. (correct)
  • Unicellular organisms are more efficient at carrying out specific functions compared to multicellular organisms.
  • Multicellular organisms have a single cell that carries out all basic functions, while unicellular organisms have millions of specialized cells.

    • How are cells in multicellular organisms specialized to carry out specific functions?

  • They form tissues that work together efficiently. (correct)
  • They are not specialized in multicellular organisms.
  • They carry out all basic functions individually.
  • They are grouped together based on structure.

    • What defines a tissue in multicellular organisms?

  • A group of cells that are not similar in structure.
  • Cells specialized to carry out a particular function. (correct)
  • Cells working independently without coordination.
  • A cluster of cells that carry out all basic functions.

    • How do muscle cells in human beings contribute to movement?

    <p>By contracting and relaxing to cause movement.</p> Signup and view all the answers

    What is the role of vascular tissues in plants?

    <p>To conduct food and water from one part of the plant to other parts.</p> Signup and view all the answers

    Why do multicellular organisms show division of labour among cells?

    <p>To improve efficiency by having cells specialize in specific functions.</p> Signup and view all the answers

    What is a key difference between plants and animals in terms of tissue composition?

    <p>Plants have tissues with dead cells, while animals have tissues with living cells.</p> Signup and view all the answers

    In what aspect of tissue growth do plants differ from animals?

    <p>Plant growth is localized to certain regions, while animal growth is uniform throughout.</p> Signup and view all the answers

    How does the text describe the structural organization of organs in complex animals compared to very complex plants?

    <p>Animals have more specialized structural organization than plants.</p> Signup and view all the answers

    What contributes to the different organ system designs in plants and animals as per the text?

    <p>Plants are adapted for active locomotion, while animals are adapted for a sedentary existence.</p> Signup and view all the answers

    How does cell growth differ between animals and plants according to the text?

    <p>Animals have dividing and non-dividing regions in their cell growth, unlike plants.</p> Signup and view all the answers

    Why do animals consume more energy compared to plants based on the text?

    <p>As they move around in search of food, mates, and shelter.</p> Signup and view all the answers

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