Science

9th -

10thgrade

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Unit 1.2 Ecology Practice

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  • 1. Multiple Choice
    1 minute
    1 pt
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    What is the correct definition for nitrogen fixation?

    Microbes reduce nitrate and nitrite into the gas form of nitrogen.

    Atmospheric nitrogen is assimilated into organic compounds.

    Transforms ammonia into nitrite.

  • 2. Multiple Choice
    1 minute
    1 pt

    What is the correct definition for denitrification?

    Microbes reduce nitrate and nitrite into the gas form of nitrogen.

    Atmospheric nitrogen is assimilated into organic compounds.

    Transforms ammonia into nitrite.

  • 3. Fill in the Blank
    1 minute
    1 pt
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    _ is the process by which carbon is removed from the atmosphere.

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