Nutrient Circles
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1
What does the nitrogen cycle recycle?
Nitrogen in ecosystems
2
Which organisms are involved in nitrogen cycling?
Bacteria and fungi
3
What converts nitrogen gas into ammonia?
Nitrogen-fixing bacteria
4
What is ammonium converted into?
Nitrites and nitrates
5
What role do plants play in the nitrogen cycle?
Absorb nitrates for growth
6
How are nitrates returned to the soil?
Through decomposition of dead organisms
7
What is the process of converting ammonia to nitrates?
Nitrification
8
What does denitrifying bacteria do?
Convert nitrates into nitrogen gas
9
What type of bacteria converts ammonium to nitrates?
Nitrifying bacteria
10
What is the importance of nutrient cycling?
Recycles essential elements for ecosystems
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