Ecosystem Components and Functions Quiz
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Questions and Answers

What is the main reservoir for nutrients in sedimentary cycles?

  • Soil, sedimentary rocks, and other types of rocks (correct)
  • Atmosphere and oceans
  • Hydrologic cycle
  • Gaseous compounds
  • Which process involves the flow of energy in both sedimentary and gaseous cycles?

  • Photosynthesis
  • Carbon cycle
  • Hydrologic cycle (correct)
  • Nutrient cycle
  • What is the main source of carbon in the carbon cycle?

  • Green plants
  • Fossil fuels
  • Atmospheric CO2 and dissolved CO2 in natural waters (correct)
  • Animals
  • What do green plants use during photosynthesis to produce carbohydrates?

    <p>CO2</p> Signup and view all the answers

    Why do green plants lock the radiant energy of the sun in synthesized food?

    <p>To utilize energy for their own activities</p> Signup and view all the answers

    What happens to organic compounds in the environment according to the text?

    <p>They are oxidized to CO2 and water</p> Signup and view all the answers

    Which type of consumer is a carnivore?

    <p>Secondary consumer</p> Signup and view all the answers

    Which of the following is an example of a micro consumer?

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

    What is the main function of decomposers in an ecosystem?

    <p>Breaking down dead organic matter</p> Signup and view all the answers

    Which group of organisms primarily consists of autotrophs?

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

    What is the role of saprotrophs in an ecosystem?

    <p>Absorbing nutrients from dead organic matter</p> Signup and view all the answers

    Which term best describes an organism that ingests other organisms or particulate organic matter?

    <p>Primary consumer</p> Signup and view all the answers

    Which organisms are considered primary consumers in an ecosystem?

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

    What is the role of decomposers in an ecosystem?

    <p>Recycle nutrients back to producers</p> Signup and view all the answers

    Which organisms convert dead organic matter into gases like carbon and nitrogen?

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

    What is the importance of decomposers in an ecosystem?

    <p>To release nutrients back into the environment</p> Signup and view all the answers

    Which trophic level includes animals that eat dead animal carcasses?

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

    Why are herbivores referred to as primary consumers in an ecosystem?

    <p>Because they feed on plants</p> Signup and view all the answers

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