Characteristics of Living Organisms
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Questions and Answers

What is unique to living beings?

  • The ability to move and respond to stimuli
  • The ability to reproduce and adapt
  • The ability to grow and develop
  • The forces that give unique characteristics to life (correct)
  • What is the basis of heredity in living organisms?

  • DNA (correct)
  • Carbohydrates
  • Proteins
  • RNA
  • What is the process by which living organisms respond to stimuli?

  • Reproduction
  • Metabolism
  • Response to stimuli (correct)
  • Homeostasis
  • What is the process by which living organisms maintain a stable internal environment?

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

    What is the process by which energy is transferred from one level to another?

    <p>Energy flow</p> Signup and view all the answers

    What is the result of the combination of gametes?

    <p>Variability in offspring</p> Signup and view all the answers

    What is the process by which living organisms grow and develop?

    <p>Growth and development</p> Signup and view all the answers

    What is the process by which living organisms adapt to their environment?

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

    What happens when there is no genetic variability among individuals?

    <p>Individuals are genetically identical</p> Signup and view all the answers

    What is an example of a structural adaptation?

    <p>Development of stronger muscles</p> Signup and view all the answers

    What is the term for the ability of an organism to respond to a stimulus?

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

    What is the process by which populations change over time in response to their environment?

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

    What is the term for the ability of an organism to maintain a stable internal environment?

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

    What is the term for inherited characteristics that increase an organism's ability to survive in a particular environment?

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

    What is the term for the movement of an organism from one place to another?

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

    What is the term for the internal and external changes that occur in an organism in response to a stimulus?

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

    Study Notes

    Characteristics of Living Organisms

    • Living organisms have unique characteristics that distinguish them from non-living things.
    • These characteristics include:
      • Organization: specific organization of structures and systems.
      • Metabolism: ability to carry out chemical reactions to sustain life.
      • Homeostasis: ability to maintain a stable internal environment despite changes in the external environment.
      • Growth and Development: ability to increase in size and complexity.
      • Reproduction: ability to produce offspring.
      • Response to Stimuli: ability to respond to changes in the environment.
      • Movement: ability to change location or position.
      • Adaptation: ability to change and evolve over time in response to environmental changes.

    Transfer of Information and Energy

    • Transfer of information occurs through DNA, chemical signals, and electrical signals.
    • Transfer of energy occurs through various processes, including metabolic reactions.

    Levels of Biological and Ecological Organization

    • There are multiple levels of organization, from molecules to ecosystems.

    Reproduction

    • There are two types of reproduction: asexual and sexual.
    • Asexual reproduction involves the production of genetically identical offspring.
    • Sexual reproduction involves the fusion of gametes (sperm and egg cells) and results in genetically diverse offspring.

    Growth and Development

    • Growth and development involve an increase in size and complexity of an organism.

    Metabolism

    • Metabolism refers to the chemical reactions that occur within an organism to sustain life.

    Homeostasis

    • Homeostasis is the ability of an organism to maintain a stable internal environment despite changes in the external environment.

    Response to Stimuli

    • A stimulus is a change in the environment that elicits a response from an organism.
    • Response to stimuli can be in the form of movement, changes in behavior, or other reactions.

    Movement

    • Movement refers to the ability of an organism to change location or position.
    • There are various structures that enable movement, such as muscles, bones, and flagella.

    Adaptation

    • Adaptation refers to the characteristics that are inherited and increase an organism's ability to survive in a particular environment.
    • Adaptations can be structural, physiological, biochemical, or behavioral.

    Evolution

    • Evolution refers to the change in populations over time in response to changes in the environment.
    • Evolution results in the adaptation of organisms to their environment.

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    Description

    This quiz covers the unique characteristics that distinguish living organisms from non-living things, including organization, metabolism, homeostasis, growth, and reproduction.

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