BIOGEOCHEMICAL CYCLES: HOW IS MATETR CYCLED …
Cycles
1. What are the four elements that make up over 95% of the body in most organisms? ____________________________________________________
2. How is the movement of matter through the biosphere different from the flow of energy? __________________________________________________
______________________________________________________________
3. Matter moves through an ecosystem in ______________________________
4. What do biogeochemical cycles connect? _____________________________
______________________________________________________________
The Water Cycle
5. What is evaporation? ____________________________________________
6. What is transpiration? Answer this in your notes!!!
ANALYSIS
8. What is the difference between transpiration and evaporation?
9. Explain which components of the water cycle most directly involve biotic factors.
10. Explain the Water Cycle in your notes. Include the steps
The Nutrient Cycle (Carbon and Nitrogen)
11. What are nutrients?_____________________________________________
______________________________________________________________
12. What are the 3 cycles that play especially prominent in the biosphere?
1. 2. 3.
Carbon Cycle
13. Why is carbon especially important to living systems? __________________
_______________________________________________________________
14. What are the 3 large reservoirs where carbon is found in the biosphere? Hint: use the caption for the Carbon cycle picture
a. As carbon dioxide gas in the __________________________________
b. As dissolved carbon dioxide in the _____________________________
c. As coal, petroleum and calcium carbonate rock found_______________
15. In what process do plants use carbon dioxide? ________________________
16. Explain the Carbon Cycle in your notes. Include the steps
ANALYSIS
17. When fossil fuels are burned (ex: methane, CH4), what happens to the amount of CO2 in the atmosphere?
18. Describe the cyclic relationship between photosynthesis and cellular respiration.
Photosynthesis ____________ CO2 from the atmosphere and cellular respiration ____________ CO2 to the atmosphere.
19. As the human population increases and we drive more and more cars, what happens to the amount of CO2 in the atmosphere?
Nitrogen Cycle
20. Why do all organisms require nitrogen? _____________________________
______________________________________________________________
21. What is nitrogen fixation? ________________________________________
______________________________________________________________
22. What is denitrification?___________________________________________
______________________________________________________________
23. What role does denitrification play in the nitrogen cycle?_________________
______________________________________________________________
24. Explain the Nitrogen Cycle in your notes. Include the steps
ANALYSIS
25. What role do the nitrogen-fixing bacteria play in the nitrogen cycle?
26. What human actions could impact the nitrogen cycle? Explain
27. How do living organisms obtain nitrogen for use in their bodies? In your answer, identify which macromolecule(s) contain this nitrogen.
Nutrient Limitation
28. What is the primary productivity of an ecosystem? _____________________
______________________________________________________________
29. If a nutrient is in short supply in an ecosystem, how will it affect an organism? ______________________________________________________
30. When is a substance called a limiting nutrient? ________________________
______________________________________________________________
31. Why do algal blooms occur? _______________________________________
______________________________________________________________
32. Figure out what Carry Capacity is and add it to your notes!
Gallery Walk: Answer the questions from each station in the box below!
|Station 1: |Station 2: |
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|Station 3: |Station 4: |
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|Station 5: |Station 6: |
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|Station 7: |Station 8: |
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|Station 9: |Station 10: |
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Please open a dragonfly text book to page 74 and read 3-3. Answer the following questions as you read. There are analysis that aren't straight from the book that you to answer as well.
When you see a add the term to your notes!
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