Science

7th

grade

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Catastrophic Events

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  • 1. Multiple Choice
    1 minute
    1 pt

    Which of these is NOT an impact to the ecosystem after a hurricane?

    Fires throughout the area

    Poor water quality in the area

    Erosion of beaches

    Massive flooding

  • 2. Multiple Choice
    30 seconds
    1 pt

    Which of the following is NOT a benefit from a catastrophic event?

    A flooded river deposits nutrients on the riverbank.

    A wildfire returns nutrients to the soil.

    A flood provides extra water to the environment.

  • 3. Multiple Choice
    30 seconds
    1 pt
    Tornadoes can negatively affect an ecosystem when
    the saltwater they bring kills off burrowing insects
    their strong winds uproot many of the important plants
    the rise in water level they produce introduces harmful salt
    they bring higher temperatures favored by birds
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