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Ch. 15 & 16 Review Flashcards | StudBud
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Ch. 15 & 16 Review
Ch. 15 & 16 Review
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1
What is the term for the daily change of ocean surface elevation?
Density Currents
Gyres
Tides
Surface Currents
2
Which term refers to the time interval between successive wave crests?
wavelength
wave speed
wave period
wave height
3
What is density?
weight-per-unit mass
mass-per-unit area
weight-per-unit volume
mass-per-unit volume
4
Which process does NOT lead to a decrease in the salinity of seawater?
precipitation
runoff from land
evaporation
sea ice melting
5
A huge circular current in the ocean surface is called _____________
a gyre
a tidal current
a longshore current
a density current
6
Which term refers to the horizontal distance between two wave crests?
wave speed
wavelength
wave period
wave height
7
Because of the Coriolis effect, ocean currents in the Southern Hemisphere are deflected to the
south
left
north
right
8
Which current affects the climate of Great Britain?
The North Pacific Gyre
The California Current
The Norwegian Current
The Gulf Stream
9
Which of the following is NOT a factor in dividing the marine life zones?
distance from the shore
water depth
availability of food
availability of sunlight
10
Which of the following is formed by erosion?
Barrier Island
Sand Bar
Sea Stack
Spit
11
Phytoplankton are usually found in the ____________
benthic zone
photic zone
abyssal zone
aphotic zone
12
Which is created through the process of deposition?
Wave-Cut Cliffs
Tombolo
Sea Stack
Sea Arch
13
What is the salinity of ocean water?
35%
.35%
3.5%
350%
14
What is the zone in the ocean where light can NOT reach?
Aphotic zone
Pelagic zone
Intertidal zone
Euphotic zone
15
Thermoclines in oceans are best developed at _____________
regions close to continents
both high and low latitudes
lower latitudes
higher latitudes
16
The use of light energy and CO
2
by organisms to convert into chemical energy and O
2
photosynthesis
decomposition
transpiration
consumption
17
This term describes the organisms that live in or on the ocean bottom
Zooplankton
Plankton
Nekton
Benthos
18
Which term refers to the vertical distance between a waves crest and trough?
wave period
wavelenght
wave speed
wave height
19
Which term describes the upper part of the ocean into which sunlight penetrates?
neritic zone
oceanic zone
photic zone
intertidal zone
20
The most abundant salt in seawater is ____________.
calcium chloride
sodium flouride
sodium chloride
magnesium chloride
21
Which term describes a rapid change in density with depth?
pycnocline
halocline
thermocline
isocline
22
What are the two factors that affect density?
Temperature and Salinity
Latitude and Temperature
Temperature and Depth
Latitude and Depth
23
What is the layer of water where there is a rapid change of temperature with depth in the ocean
thermocline
abyssal zone
pycnocline
isothermal line
24
Which force is involved in the development of surface currents?
inertia
gravity
friction
none of the above
25
Ocean salinity is usually expressed in ____________
parts per hunderd
percent
parts per thousand
parts per million
26
Which is NOT a zone in the three-layered structure of the ocean according to density?
transition zone
intertidal zone
mixed zone
deep zone
27
Animals capable of moving independently of ocean currents, by swimming are called ______
benthos
pelagic
nekton
plankton
28
Organisms that drift with ocean currents are _________
neritic
nekton
plankton
pelagic
29
If a current is moving towards the equator, which would be a correct assumption?
the current is less dense
the current is cold
the current is more dense
the current is warm
30
What happens as a wave approaches the shore?
wavelength increases
wave height decreases
wave period increases
wavelength decreases
