11.2 Flashcards
(9 cards)
1
Q
What is nitrogen fixation
A
Turn atmospheric nitrogen into ammonia and ammonium
2
Q
What do living things need Nitrogen for
A
To build amino acids and nucleotides
3
Q
What is Nitrification
A
Converts ammonia and ammonium into nitrate and nitrite
4
Q
What is denitrification
A
convert nitrate and nitrites back into atmospheric nitrogen
5
Q
What are the main abiotic reservoirs of nitrogen
A
atmosphere and soil
6
Q
How does carbon enter the food chain
A
photosynthesis
7
Q
how does carbon go back into the atmosphere
A
cellular respiration
8
Q
How are the carbon cycle and nitrogen cycle similar
A
Both are stored in the atmosphere. Travel through trophic levels similarly.
9
Q
A
