Food Chain and Trophic Levels Quiz
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Questions and Answers

What is the role of the sun in a food chain?

  • It is a secondary consumer
  • It is the final consumer
  • It is the initial source of energy (correct)
  • It is a producer
  • Which organisms make up the first level of a food chain?

  • Producers (correct)
  • Decomposers
  • Consumers
  • Predators
  • What is the relationship between trophic level and food chain?

  • Trophic levels refer to the temperature in an ecosystem
  • Trophic levels are determined by predator-prey relationships
  • Trophic levels are related to geographical distribution
  • Trophic levels are the stages in a food chain (correct)
  • Which organisms are known as autotrophs in a food chain?

    <p>Plants and phytoplankton</p> Signup and view all the answers

    In a food chain, what do tertiary consumers primarily feed on?

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

    'Consumers' in a food chain refer to organisms that:

    <p>Depend on plants or other organisms for food</p> Signup and view all the answers

    What does a food chain refer to in an ecosystem?

    <p>The order of events where living organisms eat each other</p> Signup and view all the answers

    Which organisms make up the first level of a food chain?

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

    What is the role of tertiary consumers in a food chain?

    <p>They feed on secondary consumers</p> Signup and view all the answers

    Which organisms are referred to as autotrophs in a food chain?

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

    What is the main source of energy for all living organisms on Earth according to the text?

    <p>The Sun</p> Signup and view all the answers

    What do consumers depend on in a food chain?

    <p>Producers or other organisms for food</p> Signup and view all the answers

    What are different trophic levels defined by in a food chain?

    <p>Sequential stages based on feeding hierarchy</p> Signup and view all the answers

    What process do producers utilize sunlight for in a food chain?

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

    What is the relationship between trophic level and food chain?

    <p>Every level in a food chain occupies a different trophic level</p> Signup and view all the answers

    Which part of the food chain includes all autotrophs like phytoplankton and green plants?

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

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