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Team 2
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Teams
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Score
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lifesaver
Give 25 points!
Oops!
×
gift
Win 15 points!
Okay!
×
rocket
Go to first place!
Okay!
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thief
Give points!
5
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25
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seesaw
Swap points!
Oops!
×
seesaw
Swap points!
Okay!
×
shark
Other team loses 5 points!
Okay!
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lifesaver
Give 20 points!
Oops!
15
×
Animals at the top of the food chain eating plants for their proteins is the process______.
assimilation
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15
×
This form of nitrogen fixation is where most nitrogen โfixingโ takes place.
Biological Fixation
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15
×
The process where N2 molecules in the air break apart and combine with other atoms to form ammonia.
Nitrogen Fixation
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seesaw
Swap points!
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fairy
Take points!
5
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15
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25
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shark
Other team loses 20 points!
Okay!
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baam
Lose 15 points!
Oops!
15
×
This type of nitrogen fixation occurs when energy from lightning breaks N2 molecules apart and they combine with oxygen forming N2O.
Atmospheric Fixation
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15
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Returning nitrogen to the atmosphere by bacteria living deep in swampy sediments is the process ______.
Denitrification
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15
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Nitrogen fixing by bacteria living in root nodules of plants is called a _______ relationship.
Symbiotic
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15
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Industrial fixation is the process of combining N2 with H2 to form______.
Ammonia
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15
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_____ occurs when green plants absorb nitrates, and consumers eat the green plants.
Assimilation
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15
×
Explain human impact on the nitrogen cycle in a cause/effect statement.
Cause - Use of synthetic (man made) nitrogen fertilizers Effect - Fixes more nitrogen than all natural sources combined
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lifesaver
Give 10 points!
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fairy
Take points!
5
10
15
20
25
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rocket
Go to first place!
Okay!
×
thief
Give points!
5
10
15
20
25
15
×
List three negative consequences of excess N2 in the nitrogen cycle.
1.Acid Rain 2. Invasion by non-native plants 3. Fish-kill events 4. Algal blooms 5. Changes in species
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15
×
Nitrogen gas is colorless, odorless, and ____________, causing most organisms to use only compounds made from nitrogen.
Unreactive
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15
×
Ammonification is part of the ______ process.
decay
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