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: |

| | |

| | |

| | |

|Station 3: |Station 4: |

| | |

| | |

| | |

|Station 5: |Station 6: |

| | |

| | |

| | |

|Station 7: |Station 8: |

| | |

| | |

| | |

|Station 9: |Station 10: |

| | |

| | |

| | |

-----------------------

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!

................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download