Bio-geochemical Cycles Quiz

Ecosystem 
Problem set I

Ecology Test 
Test 1   Test 2
Test 3   Test 4
Test 5   Test 6
Test 7   Test 8
Test 9   M/C 

Energy Calculation 
Quiz 1   Quiz 2

Human Ecology  
Quiz 1   Quiz 2
Quiz 3   

Population Dynamics 
Quiz 1   Quiz 2
Quiz 3   Quiz 4
Quiz 5   Quiz 6
Review 

1. What type of organism(s) play(s) the most important role in the nitrogen cycle? Explain. (2 marks). 
   
2. How does the movement of a biocide through the biotic environment differ from nutrient cycles ( 1 mark).
   
3. What is the main difference between combustion and respiration? (1 mark)
   
4. Explain how cell respiration and photosynthesis make the carbon cycle possible. (4 marks)
   
5. Cold winter weather slows down the nitrogen, carbon and water cycles. Explain. (4 marks)
   
6. The processes of industry have had a considerable impact on the sulfur cycle. Explain. 
   (7 marks)
   
7. What is guano and which nutrient cycle is it involved in? (2 marks)