Science

9th -

12thgrade

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Ecology Practice 1

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14 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    What is the original source of almost all energy in most ecosystems?

    Carbohydrates

    Sunlight

    Water

    Carbon

  • 2. Multiple Choice
    30 seconds
    1 pt

    Plants as well as green algae and some bacteria occupy which trophic level?

    Producers

    Consumers

    Herbivores

    Omnivores

  • 3. Multiple Choice
    30 seconds
    1 pt

    What is the primary difference between a food chain and a food web?

    Food chains are complex and food webs are simple in nature

    Food chains are simple and food webs are complex in nature

    Food chains contain more organisms than food web

    Food webs contain less organisms than food chains

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