Science

6th -

8thgrade

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Changes in Organisms

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10 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Where did life begin on Earth?

    Land

    Water

    Atmosphere

    Bacteria

  • 2. Multiple Choice
    30 seconds
    1 pt

    How much of life went extinct at the end of the Permian Period?

    90% of life in the water, 70% of life on the land

    90% of life on the land, 70% of life in the water

    90% of all life everywhere on Earth

    70% of all life everywhere on Earth

  • 3. Multiple Choice
    30 seconds
    1 pt

    What did the supercontinent of Pangea allow dinosaurs to do?

    Grow larger and become huge.

    First mammals, birds, and flowers.

    Small and medium mammals to become more dominant.

    Travel across large areas of land.

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