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BioGeochemical Cycling

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Last updated over 3 years ago
18 questions
Note from the author:
Go to this website: Biogeochemical cycles. Read the article and use the information to answer the questions below.
Go to this website: Biogeochemical cycles. Read the article and use the information to answer the questions below.
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Discussion Questions
Question 1
1.

Define “biogeochemical cycle.”

Question 2
2.

Defend the following statement: The earth can be considered both an open and a closed system.

Question 3
3.

State the Law of the Conservation of Matter.

Question 4
4.

Fill in the table below.

Question 5
5.

What is the difference between the sedimentary cycles and the gaseous cycles? Give two examples of each type of cycle.

Question 6
6.

How do the molecules in living organisms return to nutrient cycles?

Question 7
7.

What is the difference between micro- and macro-elements?
Give one example of each.

Question 8
8.

List three reasons that biogeochemical cycles are important.

Question 9
9.

What factors determine the speed of nutrient cycling?

Question 10
10.

Which type of cycles (gaseous or sedimentary) is faster, and why?

Question 11
11.

Define the following: reservoir, exchange pool, influx

Question 12
12.

Why does the disruption of one nutrient cycle cause disruptions in all other cycles?

Question 13
13.

What cycles are disrupted by the use of fertilizers?

Question 14
14.

Explain how combustion of fuels leads to acid rain.

Question 15
15.

State two things that humans do that increase biologically available nitrogen.

Question 16
16.

Why is the water cycle important for all other nutrient cycles?

Question 17
17.

What processes made oceans salty?

Question 18
18.

In general, how have humans impacted biogeochemical cycling?