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Science

7th

grade

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Science Practice

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20 questions

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  • 1. Multiple Choice
    1 minute
    1 pt

    ___________ is an organism that makes its own food, thereby sustaining itself without eating other organisms or their molecules. Examples are plants, algae and numerous bacteria.

    heterotroph

    autotroph

    enzyme

    DNA

  • 2. Multiple Choice
    1 minute
    1 pt

    Long organic molecules that contain the instructions that cells need to carry out all the functions of life. Food that contain high levels are mushrooms, peas, shellfish and red meat.

    enzyme

    protein

    nucleic acid

    lipids

  • 3. Multiple Choice
    1 minute
    1 pt

    An organism that obtains energy from the foods it consumes; also called a consumer

    autotroph

    protein

    DNA

    heterotroph

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