Energy Flow and Photosynthesis Process
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Questions and Answers

What is the ultimate source of energy for nearly all living things?

  • Wind
  • Sunlight (correct)
  • Geothermal heat
  • Water
  • What is the process in which light energy is trapped by plants and converted into chemical energy?

  • Oxidative phosphorylation
  • Photosynthesis (correct)
  • Cellular respiration
  • Fermentation
  • What do you call an organism that gets its energy from feeding on other organisms?

  • Herbivore
  • Consumer (correct)
  • Producer
  • Decomposer
  • What shows the transfer of energy from one organism to the next, beginning with a producer?

    <p>Food web</p> Signup and view all the answers

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

    <p>It feeds on secondary consumers</p> Signup and view all the answers

    Why is a pyramid of biomass considered a better representation of the flow of energy in a food chain?

    <p>It provides a more accurate indication of how much energy is passed on at each trophic level</p> Signup and view all the answers

    What effect does over-harvesting have on a species?

    <p>It causes the reduction in numbers of a species to the point of endangerment or extinction</p> Signup and view all the answers

    What is the position of an organism in a food chain, food web, or pyramid of numbers or biomass called?

    <p>Trophic level</p> Signup and view all the answers

    How does energy transfer change as it moves up trophic levels?

    <p>Energy is lost as metabolic heat when organisms are consumed by organisms from higher levels</p> Signup and view all the answers

    What is a food web?

    <p>A network of interconnected food chains showing energy flow through part of an ecosystem</p> Signup and view all the answers

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