The Nitrogen Cycle

Question 1

What is the role of nitrifying bacteria?

Answer 1

• -> to oxidise ammonia into nitrate

- ->then nitrate

Question 2

What is the role of nitrogen-fixing bacteria?

Answer 2

• ->to convert nitrogen gas

- ->into nitrate ions

Question 3

What is the role of decomposers?

Answer 3

• -> to convert protein in dead matter

- ->into ammonia

Question 4

What is the role of denitrifying bacteria?

Answer 4

• -> coverts nitrates

- ->into nitrogen gas