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Science

9th

grade

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Benchmark Practice

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10 questions

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  • 1. Multiple Choice
    2 minutes
    1 pt

    When comparing plants and pebbles, a student notices that the sizes of the plants increases, while the sizes of the pebbles remain the same. The pebbles are classified as nonliving.


    Which criteria does the student use as the basis for the classification?

    ability grow

    ability to move

    ability to reproduce

    ability to respond to stimuli

  • 2. Multiple Choice
    2 minutes
    1 pt

    Which of these characteristics would disqualify a newly discovered biological structure from being called a cell?

    It cannot exchange materials with its environment.

    It does not contain membrane-bound organelles.

    It lacks a method for moving and gathering food.

    It has no stiff outer layer for support and protection.

  • 3. Multiple Choice
    2 minutes
    1 pt

    Theodor Schwann discovered that animal tissues are made of cells. Which part of the cell theory is based in part on Theodor Schwann's findings?

    All organisms are made up of cells.

    New cells come from preexisting cells.

    All organisms are composed of one or more cells.

    Cells produce proteins for the functioning of organisms.

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