kA3: nitrogen cycle Flashcards
1
Q
why do we need nitrogen
A
nitrogen is an important nutrient for all living things. nutrients are chemical substances which are needed by organisms to keep them alive and help them grow.
2
Q
why do living organisms require nitrogen
A
living things need nitrogen to make protein molecules (enzymes)
3
Q
identify the 2 types of organism that are responsible for this process of decomposition
A
bacteria and fungi
