FEU High School Earth and Life Science AY 23-24 Lesson 13: Interaction and Interdependence
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Questions and Answers

What is the main characteristic of life in an ecosystem according to the text?

  • Egalitarian sharing of resources
  • Indifference towards resources
  • Competition for limited resources (correct)
  • Cooperation for unlimited resources

    • Which of the following are resources organisms compete for in communities?

  • Sound waves and plastic materials
  • Radioactive material and wind
  • Metallic material and artificial light
  • Sunlight and mineral nutrients (correct)

    • What do organic materials, sunlight, and mineral nutrients provide to organisms in an ecosystem?

  • Physical structure of organisms
  • Chemical elements and air
  • Energy for living processes and matter for physical structures (correct)
  • Mechanical strength and heat

    • The theory of natural selection is characterized by:

    <p>Competition for limited resources</p> Signup and view all the answers

    Which of the following best describes the concept of biotic potential?

    <p>Capacity of organisms to increase in number under optimal environmental conditions</p> Signup and view all the answers

    What do the different terrestrial and aquatic ecosystems do in relation to one another?

    <p>Interlink with one another</p> Signup and view all the answers

    What is an ecosystem?

    <p>A community of living organisms and their interactions with the nonliving environment</p> Signup and view all the answers

    Which condition must be met for an ecosystem to support itself and remain stable?

    <p>Constant supply of energy, presence of producers, and recycling of materials</p> Signup and view all the answers

    What is the biosphere composed of?

    <p>All ecosystems together</p> Signup and view all the answers

    What is primary productivity in an ecosystem?

    <p>The result of energy captured by producers</p> Signup and view all the answers

    How is the flow of energy in an ecosystem described?

    <p>One-way flow that is not recycled</p> Signup and view all the answers

    What does an ecosystem consist of?

    <p>The living and nonliving components interacting together</p> Signup and view all the answers

    What are populations at the biological level?

    <p>Include all the members of a species in a given area</p> Signup and view all the answers

    What do ecosystems involve important interactions between?

    <p>Living organisms and the environment</p> Signup and view all the answers

    What determines which organisms can exist within a particular area?

    <p>The latitude, amount of rainfall, topography, and available species</p> Signup and view all the answers

    What is required for ecosystems to persist?

    <p>Continual capture of the sun's energy by autotrophs</p> Signup and view all the answers

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