Science

7th

grade

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Ecology

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15 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Soil particles sliding down the side of a mountain would be considered

    weathering

    erosion

    deposition

    none of the above

  • 2. Multiple Choice
    30 seconds
    1 pt
    Image

    A student set up an experiment seen below. The movement of colored water through the gravel best represents

    condensation of water vapor into the air

    surface runoff from rain

    conservation and protection of water

    pollution of groundwater

  • 3. Multiple Choice
    30 seconds
    1 pt
    Image

    When Charles Darwin visited the Galapagos Islands in the 1800s, he observed many types of organisms that were simliar but lived on different islands. Four of the species of birds found are shown below. Each one lives on a different island. While these species are very similar, the Hood mockingbird has a longer beak than the other three species. Which of the following could explain this difference?

    The Hood mockingbird needs a longer beak for defense against predators.

    The Hood mockingbird originated from a different type of bird than the other species.

    The Hood mockingbird's longer beak is an adaptation to the food available in the birds habitat.

    The Hood mockingbird's beak stretched and grew to reach its food.

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