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Matter and Energy in Ecosystems (Part 2)

Quiz by Heather Murphy [White MS]

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13 questions
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  • Q1
    What is a network of food chains representing feeding relationships among organisms in an ecosystem called?
    Food Web
    Food Chain
    Biomass Chain
    Food Network
    30s
  • Q2
    What is a series of organisms that transfer food/energy between the trophic levels of an ecosystem called?
    Food Chain
    Food Web
    Biomass Chain
    Food Network
    30s
  • Q3
    This is the total amount of organic matter present in a trophic level.
    Ecosystem
    Biomass
    Trophic Matter
    Food Chain
    30s
  • Q4
    What is the diagram above called?
    Question Image
    Food Web
    Energy Pyramid
    Biomass Chain
    Energy Web
    30s
  • Q5
    Which of the following is an example of a primary consumer?
    A snake that eats mostly mice
    A bird that eats mostly fish
    A plant that makes its own food
    A cow that eats mostly grass
    30s
  • Q6
    Primary consumers are carnivores.
    True
    False
    30s
  • Q7
    Why is so much energy lost as you move to higher and higher levels on a food chain?
    All of the above are true.
    None of the above are true.
    Some material cannot be digested, and some energy is consumed by cellular metabolic processes.
    Some energy is stored as fat.
    30s
  • Q8
    What makes food webs more accurate than food chains?
    Many organisms eat at multiple trophic levels.
    Food chains do not include all trophic levels.
    Energy is not lost from a food chain, but it is lost from a food web.
    All of these answers are correct.
    30s
  • Q9
    Which food chain correctly describes the flow of energy in an ecosystem?
    leaf --> bird --> caterpillar
    cow --> grass --> human
    caterpillar --> leaf --> human
    grass --> cow --> human
    30s
  • Q10
    How do decomposers help other organisms in an ecosystem?
    They help disperse seeds for plant growth.
    Decomposers do not help other organisms in any way.
    They break down dead organisms and add nutrients back to the soil that plants use.
    They use the sunlight to make their own food that other organisms eat for energy.
    30s
  • Q11
    Which organism in the diagram above is a secondary consumer?
    Question Image
    Grasshopper
    Owl
    Mouse
    Snake
    30s
  • Q12
    Which organism in the diagram above is a tertiary consumer?
    Question Image
    Mouse
    Grass
    Snake
    Owl
    30s
  • Q13
    How much energy is passed on from one trophic level to another in an ecosystem?
    80%
    20%
    90%
    10%
    30s

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