Biogeochemical cycles

Created March 2020, Offline version here
Video by Paul Anderson, also on his website Bozeman Science.


1
1
What does it mean when matter is conserved?
2
1
Where do biotic processes occur?
3
1
Nutrients needed to sustain life are made up of which of the following elements?
4
1
All of the following are examples of biogeochemical cycles EXCEPT:
5
1
Which of the following is the correct order in which energy flows?
6
1
In the water cycle, how does water move from an abiotic environment to a biotic environment?
7
1
How do plants and animals intake carbon from the environment?
8
1
Most of the nitrogen on Earth exist in the atmosphere. How does the atmospheric nitrogen enter the biosphere?
9
1
Which of the following organism is vital to the nitrogen cycle?
10
1
Which of the following forms of nitrogen can be leached into a water supply?
11
1
Suppose that there are two ponds where one is located next to a farm and one that is not. The farmer notices that the pond closer to the farm often has a layer of green on the surface. Why is that?
12
1
What is a limiting nutrient?
13
1
Which of the following elements DO NOT naturally exist in the atmosphere?
14
1
Why does phosphorous take the longest to cycle?
15
1
How does sulfur enter the atmosphere?
16
1
Limiting nutrients can lead to which of the following processes?
17
1
Why are the biogeochemical processes referred to as a cycle?
18
1
Which of the following biogeochemical cycles go through the atmosphere, lithosphere, and the hydrosphere?
19
1
If a person where to put all the elements essential to life in the same environment, would that system sustain itself?
20
1
Suppose humans are looking to find extraterrestrial planets to sustain life. What would they be looking for on the alien planet in terms of chemical makeup?