the nitrogen cycle

Question 1

what is stage 1 of nitrogen cycle

Answer 1

nitrogen fixation

Question 2

what is nitrogen fixation

Answer 2

converts nitrogen gas into nitrites then nitrates

Question 3

what causes nitrogen fixation

Answer 3

lightning and nitrogen fixing bacteria

Question 4

what is stage 2 of nitrogen cycle

Answer 4

feeding

Question 5

what happens in feeding

Answer 5

animals feed on plants that absorbed nitrates in the soil

Question 6

what is stage 3 of nitrogen cycle

Answer 6

decomposition

Question 7

what happens during decomposition

Answer 7

decomposers break down animal excretion and forms ammonia. this creates ammonium ions in soil

Question 8

what is stage 4 of nitrogen cycle

Answer 8

nitrification

Question 9

what happens during nitrification

Answer 9

nitrifying bacteria convert ammonium into nitrates

Question 10

what is stage 5 of nitrogen cycle

Answer 10

denitrification

Question 11

what happens during denitrification

Answer 11

denitrifying bacteria converts nitrates into nitrogen gas and releases back into atmosphere