Name: ___________________________________________-1. How much of the atmosphere is “free” nitrogen gas?2. Why is nitrogen so important to living things?3. What is the form of nitrogen that plants can use?4. How is this useful form of nitrogen produced?5. Where can nitrogen-- fixing bacteria be found?‐6. Name three plants that are “nitrogen fixers”, why are they important to a biome after a forest fire?7. What are decomposers?8. Name two roles that decomposers play in the nitrogen cycle.9. Where does the free nitrogen (N2) produced by some decomposers eventually go?10. Summarize in 4 ways that humans have an impact on the nitrogen cycle.11. Give a brief description of how the nitrogen cycle works:

Name :________________________________________________________1. How much of the atmosphere is “free” nitrogen gas?2. Why is nitrogen so important to living things?3. What is the form of nitrogen that plants can use?4. How is this useful form of nitrogen produced?5. Where can nitrogen-- fixing bacteria be found?‐6. Name three plants that are “nitrogen fixers”, why are they important to a biome after a forest fire?7. What are decomposers?8. Name two roles that decomposers play in the nitrogen cycle.9. Where does the free nitrogen (N2) produced by some decomposers eventually go?10. Summarize in 4 ways that humans have an impact on the nitrogen cycle.11. Give a brief description of how the nitrogen cycle works:

Name: _______________________________________________________________1. How much of the atmosphere is “free” nitrogen gas?2. Why is nitrogen so important to living things?3. What is the form of nitrogen that plants can use?4. How is this useful form of nitrogen produced?5. Where can nitrogen-- fixing bacteria be found?‐6. Name three plants that are “nitrogen fixers”, why are they important to a biome after a forest fire?7. What are decomposers?8. Name two roles that decomposers play in the nitrogen cycle.9. Where does the free nitrogen (N2) produced by some decomposers eventually go?10. Summarize in 4 ways that humans have an impact on the nitrogen cycle.11. Give a brief description of how the nitrogen cycle works:

Name : ___________________________________________________________________1. How much of the atmosphere is “free” nitrogen gas?2. Why is nitrogen so important to living things?3. What is the form of nitrogen that plants can use?4. How is this useful form of nitrogen produced?5. Where can nitrogen-- fixing bacteria be found?‐6. Name three plants that are “nitrogen fixers”, why are they important to a biome after a forest fire?7. What are decomposers?8. Name two roles that decomposers play in the nitrogen cycle.9. Where does the free nitrogen (N2) produced by some decomposers eventually go?10. Summarize in 4 ways that humans have an impact on the nitrogen cycle.11. Give a brief description of how the nitrogen cycle works:

Name: _______________________________________________________________________1. How much of the atmosphere is “free” nitrogen gas?2. Why is nitrogen so important to living things?3. What is the form of nitrogen that plants can use?4. How is this useful form of nitrogen produced?5. Where can nitrogen-- fixing bacteria be found?‐6. Name three plants that are “nitrogen fixers”, why are they important to a biome after a forest fire?7. What are decomposers?8. Name two roles that decomposers play in the nitrogen cycle.9. Where does the free nitrogen (N2) produced by some decomposers eventually go?10. Summarize in 4 ways that humans have an impact on the nitrogen cycle.11. Give a brief description of how the nitrogen cycle works: