Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

BIO 150.01 > M5: Ecosystem Ecology - Nutrient Cycling & Retention > Flashcards

M5: Ecosystem Ecology - Nutrient Cycling & Retention Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

What is the amount of specific nutrient in a part of ecosystem?

A

Nutrient Pool

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the movement of nutrients between nutrient pools?

A

Nutrient flux

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

When absorption > release?

A

Nutrient sink

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

When release > absorption?

A

Nutrient source

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the importance of phosphorus cycle?

A
  1. Energetics
  2. DNA/RNA structure
  3. Phospholipids
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What cycle have the ff. characteristics?
- Low atmospheric pool
- From weathering of rocks
- Land-forming from sediment

A

Phosphorus cycle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the importance of Nitrogen Cycle?

A
  1. Amino & nucleic acids
  2. Chlorophyll
  3. Primary Production
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What cycle have the ff. characteristics?
- Major Atmosphere Pool
- Biological + Lightning Fixation
- Denitrification

A

Nitrogen Cycle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the importance of Carbon cycle?

A
  1. Organic Molecules
  2. Global Climate Change
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What cycle have the ff. characteristics?
- Photosynthesis + Respiration
- Precipitation into sediment
- Increase of atmospheric amount during fossil fuel burning
- Sequestration by living organisms

A

Carbon Cycle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What influences the rates of decomposition?

A

temperature, moisture, & chemical composition

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the relationship of nutrient content and decomposition rate?

A

Directly Proportional

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are the nutrient dynamics in lakes and streams?

A

Not Stationary

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the formula for spiraling length (s)?

A

s = (average downstream velocity of atom)(average time for atom to complete cycle)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the tendency to retain nutrients?

A

Nutrient retentiveness

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What generally increases the loss of nutrients from ecosystem?

A

Disturbance

17
Q

What moves nutrients into oceans due to runoff?

A

Deforestation and Landslide

18
Q

What results with the high input of nutrients and proliferation of algae?

A

Dead Zones

19
Q

What are uninhabitable for fishes due to depletion of oxygen?

A

Dead Zones

20
Q

What is the process when organism becomes organic matter?

A

Decomposition

20
Q

What is the process when organic matter become inorganic matter?

A

Mineralization

21
Q

What is the shape of the graph of Mineralization?

A

Plateau

22
Q

What happens when rate of decomposition reaches the plateau of K?

A

Leveled off at higher concentrations of nutrients

23
Q

What is the relationship of (nutrient) spiraling length and nutrient rentiveness?

A

Inversely Proportional

BIO 150.01 (13 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions