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Science

8th

grade

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Bacteria Around Us

10
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15 questions

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  • 1. Multiple Choice
    2 minutes
    1 pt

    Bacteria have been on Earth for at least

    3 billion years

    2 billion years

    3.5 billion years

    3.5 million years

  • 2. Multiple Choice
    2 minutes
    1 pt

    Individual bacteria are able to be easily observed. True or False

    True

    False

  • 3. Multiple Choice
    2 minutes
    1 pt

    How are bacteria different then other types of cells?

    They are not different and have all the same types of organelles

    Have no nulcues

    Have no organelles like mitochondria and ER

    Have no nucleus AND no organelles

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