Name: 
 

Oceanography Test 2 Review



Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

1. 

The oozes of the seafloor mostly consist of:
a.
bones and teeth of bottom-dwelling fishes.
b.
Boulders and cobbles from glaciers oozing off the land
c.
Fine muds washed down the continental slope to the seafloor
d.
microscopic hard parts of single-celled surface living organism
 

2. 

Large volumes of bottom sediments may be transported long distances by
a.
tidal action
c.
storm waves
b.
icebergs
d.
turbidity currents
 

3. 

Carbonate sediments are rare in deep sea sediments because:
a.
The carbonate shells dissolve in deep water
b.
The abundance of muds and clays cover the carbonate shells
c.
The organisms do not live beyond the edge of the continental shelf
d.
The organisms providing shells do not live in the deep sea
 

4. 

The single most influential agent changing the shore and coast is
a.
alternate freezing and thawing of coastal cliffs
b.
wave action
c.
the tidal range
d.
prevailing winds
 

5. 

The origin of sea cliffs, sea stacks, sea caves, blowholes, and arches is related to
a.
high tides
c.
human activities
b.
longshore currents
d.
erosion by waves
 

6. 

A good "working definition" for life might be: "A highly organized system that can capture, store, and transmit ______________."
a.
waste products
c.
raw materials
b.
metabolic products
d.
energy
 

7. 

The average salinity of the world ocean is closest to which of the following:
a.
21.5 o/oo
c.
3.4 o/oo
b.
34 o/oo
d.
52 o/oo
 

8. 

Which of the following statements best describes the conservative constituents of seawater?
a.
Conservative constituents are elements involved in chemical and biological processes that change rapidly
b.
Conservative constituents must be conserved for future generations
c.
Conservative constituents, which include salinity, change very slowly
d.
Conservative constituents of seawater include gold and other valuable elements dissolved in seawater
 

9. 

The amount of gas that seawater can hold in solution will be greater.
a.
in warmer water
c.
in salty water
b.
in colder water
d.
under less pressure
 

10. 

Oxygen enters seawater mainly
a.
as a result of decomposition of plant and animal remains
b.
as a byproduct of photosynthesis
c.
through the oxidation of metal ions in seawater
d.
through the respiration of animals
 



 
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