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Biology

8th -

10thgrade

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Human Impact on Ecosystems

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20 questions

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  • 1. Multiple Choice
    45 seconds
    1 pt
    Which of the following is NOT related to biodiversity?
    species diversity 
    genetic diversity 
    climate diversity 
    ecosystem diversity 
  • 2. Multiple Choice
    20 seconds
    1 pt
    Toxins accumulate in the tissues of organisms as they pass through a food chain/web.
    eutrophication
    biomagnification
    ecological succession
    symbiosis 
  • 3. Multiple Choice
    30 seconds
    1 pt

    problem caused by increased levels of CFC's in the atmosphere; living things are exposed to more UV radiation

    global warming

    thermal pollution

    greenhouse effect

    ozone depletion

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