Systems of the Biosphere Answers

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1
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Which of the following statements about positive feedback mechanisms is not true?

A
Positive feedback mechanisms can result from human activity.
B
Positive feedback mechanisms can occur naturally.
C
Positive feedback mechanisms lead to increased change.
D
Positive feedback mechanisms reduce change in a system.
2
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What system includes oxygen, nitrogen, and ozone?

A
geosphere
B
hydrosphere
C
atmosphere
D
biosphere
3

What system includes the living components of the Earth?

A
geosphere
B
hydrosphere
C
atmosphere
D
biosphere
4

What makes life on the Earth possible?

Answer not available
5

Which of the following about the biosphere is true?

A
It only interacts with the atmosphere.
B
It includes oceans, lakes, rivers, and groundwater
C
It can be considered a global ecosystem.
D
It includes the core, mantle, and crust.
6

The Gaia hypothesis is an example of _______.

A
positive feedback
B
negative feedback
C
glacial episodes
D
system overload
7

Explain how the biosphere interacts with the atmosphere.

Answer not available
8

Explain why humans cannot impact one of Earth’s systems without impacting the others.

Answer not available
9

Explain how the biosphere facilitates movement of water from the geosphere to the atmosphere.

Answer not available
10

Compare positive and negative feedback mechanisms.

Answer not available

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