Science

5th

grade

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Aquatic Ecosystems

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10 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Which aquatic ecosystem is found where the freshwater rivers meet the ocean?

    ocean

    estuary

    lake

    pond

  • 2. Multiple Choice
    30 seconds
    1 pt

    The mixture of saltwater and freshwater in an estuary is called __________________ water.

    brackish

    semi-salty

    partially-salty

    sorta-salty

  • 3. Multiple Choice
    1 minute
    1 pt

    All of the following are examples of freshwater ecosystems EXCEPT ________________.

    ponds

    Estuaries

    lakes

    rivers

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