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Science

9th -

10thgrade

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Ecology

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18 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
    Image

    The diagram above represents relationships in an

    ecosystem. What is the primary source of energy in

    this environment?

    cellular respiration in the plants

    energy from minerals in the soil

    fossil fuels

    solar energy

  • 2. Multiple Choice
    30 seconds
    1 pt

    What is one of the best ways to represent the

    interdependence of all of the organisms in an

    ecosystem?

    a cell model

    a food chain

    a diagram of the water cycle

    a food web

  • 3. Multiple Choice
    30 seconds
    1 pt

    Stability within an ecosystem is achieved partially by

    the presence of organisms that break down important

    molecules and return those nutrients to the soil. These organisms are

    plants

    herbivores

    detritivores

    decomposers

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