Nitrogen cycle worksheet PDF

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class worksheet and notes for exam 1...

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Nitrogen Cycle Worksheet

Name: Elizabeth Randolph

Directions: Using the word bank below, label the components of the nitrogen cycle by placing the correct number to the left of the term. 10 Ammonium (NH4+)

4

Gaseous Atmospheric Nitrogen Stores

12 Nitrates (NO3-)

14 Organic Matter (R-NH2)

16 Bacteria Fixation

5

Gaseous Losses N2 & N2O

11 Nitrites (NO2 )

13 Plant Consumption

15 Decomposers

9

Leaching

1

Emissions

2

Lighting Fixation

8

Eutrophication

-

7 Nitrification 17 Nitrogen-Fixing Bacteria living in legume root nodes

3

Precipitation

6

Runoff

18 Mineralization

1

4

2 3 5

Manufacturing Combustion of Fossil Fuels

Fertilized Farmland Next to Body of Water

d Fertilizers 18

Plants

7

6

8 14 16 17

13

9 10

15

Denitrifying Bacteria

Nitrogen Storage

Nitrifying Bacteria

Legend 12

11

Nitrification: The Addition of Oxygen

Human influenced Natural process Chemical change...