Cycles Flashcards
0
Q
Decomposition produces
A
Ammonia from proteins and minerals
1
Q
Nitrogen atoms passed on by
A
Passed along food chains
2
Q
Nitrifying bacteria
A
Oxidises the ammonia to nitrates during nitrification
3
Q
Plants use nitrates for
A
Their roots absorb nitrates and use them to make proteins
4
Q
Carbon cycle
A
Photosynthesis fixes carbon from the atmosphere into organic molecules
These are passed along food chains
Respiration releases the carbon dioxide back into the atmosphere
Burning of fossil fuels releases carbon dioxide back into the atmosphere
