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unit review oceanography 2/24 Flashcards | StudBud
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unit review oceanography 2/24
unit review oceanography 2/24
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1
How do plankton differ from nekton?
Plankton live on the ocean bottom.
Plankton are floaters.
Plankton are strong swimmers.
Plankton are carnivores.
2
Marine organisms are classified according to how they ____.
live
eat
live and move
move
3
Which of the following is NOT a zone in the three layers of the ocean relating to density?
intertidal zone
deep zone
transition zone
surface mixed zone
4
Most ocean water is located in which zone?
transition zone
surface zone
deep zone
mixed zone
5
Trench is located at
e
d
f
g
6
Organisms that drift with ocean currents are called ____.
benthos
plankton
nekton
photic
7
ways animals survive in the tidal zone include
all of these
hide out in ponds
bury themselves in sand
retreat to deep water
8
A body of water moving in a definite direction, especially in a surrounding body of water.
Wave
Wind
Drift
Current
9
Which of the following is important in global climate regulation?
wave speed
the Coriolis effect
spring tides
ocean circulation
10
Because of the Coriolis effect, ocean currents in the Northern Hemisphere are deflected to the_
right
south
north
left
11
A vertical circulation in the ocean that brings cold deep water to the ocean surface.
Surface Current
Warm Current
Upwelling
Cold Current
12
Which of the following occurs at the continental margin in the Pacific Ocean?
plate interactions
earthquakes
volcanic activity
all of the above
13
What term describes organisms that live on or in the ocean floor?
palegic
plankton
benthos
nekton
14
Which of the following is a type of plankton?
shark
crab
algae
squid
15
What is true about an ocean current that is moving toward the equator?
It is cold.
It is fast.
It is warm.
It is slow.
16
Which ocean zone does sunlight penetrate?
abyssal zone
aphotic zone
neritic zone
photic zone
17
How does light change with increasing depth in the ocean?
No Change
Increases
Decreases
Spare Change
18
A measure of the amount of salt in seawater.
Saltiness
Desalination
Salinity
Saliva
19
Which part of the ocean is deepest?
trenches
rifts
ridges
seamounts
20
About what percentage of the Earth's surface is covered by water?
52
71
46
89
21
Spring tides and neap tides occur in patterns governed by
changes in the force of Earth's gravity
whether the gravity of sun or moon exerts stronger pull.
the type of ocean currents near where the tides occur.
the relative positions of the sun, Earth, and the moon.
22
Differences in ocean-surface height can be measured by ____.
satellites
none of the above
submersibles
sonar
23
Density currents move ____.
horizontally
vertically
from south to north
from north to south
24
What primary force powers ocean surface currents?
Density
Wind
Waffles
Water
25
These three things directly affect surface currents:
surface winds, Coriolis effect, and continental deflection
upwelling, convection, and the sun’s energy
dissolved solids, dissolved gases, and the sun’s energy
deep currents, convection currents, and surface winds
26
Which of the following has the largest daily tidal range?
low tide
high tide
spring tide
neap tide
27
The open ocean of any depth is called the ____.
neritic zone
pelagic zone
abyssal zone
benthic zone
28
Ocean currents are deflected by
tides
the sun's rays
large schools of fish
continents
29
Which of the following is NOT a main producer of food in the ocean?
sharks
algae
bacteria
plants
30
Flowing "rivers" of water in the ocean are
surface ocean currents
deep ocean currents
ocean currents
electrical currents
31
Which hemisphere of the Earth contains the greater proportion of oceansurface?
south
west
east
north
32
How does water pressure change as you go deeper into the ocean?
Increases
Doesn't Change
Decreases
What is Pressure?
33
Where would you find the lowest density seawater?
transition zone
deep zone
abyssal zone
surface mixed zone (river mouth)
34
What is the major cause for ocean "dead zones"?
too hot
too cold
lack of oxygen
35
What is density?
mass-per-unit volume
weight-per-unit mass
mass-per-unit area
weight-per-unit volume
36
Hydrothermal vents seem to be located near
the edges of the deep sea trenches.
active areas of seafloor spreading.
the margins of the Hawaiian chain
passive continental margins.
37
How does temperature change with increasing depth in the ocean?
Increases
Some Change
No Change
Decreases
38
The uneven heating of the Earth by the Sun causes ______ which then cause _______.
surface currents; wind
surface ocean currents; deep ocean currents
deep ocean currents; surface ocean currents
wind; surface ocean currents
39
Coastal areas have their temperatures moderated by
ocean currents
conduction
global winds
solar radiation
40
The horizontal distance between two successive crests is called the ____.
wavelength
wave height
wave period
fetch
41
Mid ocean ridge is
a
d
c
b
42
Which of the following is a disturbance that carries energy through matter?
wave
trough
sun
upwelling
43
Ocean currents that move toward the poles are ____.
warm in the N. and cold in the S. Hemisphere
cold
warm
cold in the N. and warm in the S. Hemisphere
44
What is the salinity of seawater?
1.5 percent
10 percent
5.5 percent
3.5 percent
45
What is A
Outer Core
Inner Core
Crust
Mantle
46
Which of the following can submersibles do?
remain underwater for long periods of time
collect data about areas of the ocean that were unreachable
collect data and remain underwater for longs periods of time
map the ocean surface from space
47
What nation impossed strike trading laws that limited colonial business growth?
Germany
France
England
Canada
48
Seamounts are located at
b
d
a
c
49
In addition to salinity, what factor affects the density of seawater?
temperature
longitude
latitude
depth
50
Nekton include all animals that ____.
live at or in the ocean bottom
move independently of ocean currents (swimmers)
live both on land and in the water
drift with ocean currents (floaters)
51
Cold surface currents originate near the ______________________ .
Indian Ocean
Atlantic Ocean
Poles
Equator
52
Global wind patterns cause
surface ocean currents
bad hair days
tides
deep ocean currents
53
The vertical distance between trough and crest is called the ____.
wave height
wavelength
wave period
fetch
54
Deep, steep-sided valleys that originate on the continental slope.
abyssal plains
submarine canyons
trenches
slope canyons
55
What is true about the deepest parts of the ocean floor?
Temperatures are moderate to high.
Nekton are more common than benthos.
Animals live in constant darkness.
Algae thrive.
56
The highest salinity would be found in which of the following areas?
all of the above
an area with high rates of evaporation
an area with high rates of precipitation
an area with plenty of runoff
57
Shifting of surface currents from their expected paths, caused by the rotation of Earth.
Coriolis Effect
Revolution
Drifting
Current Effect
58
Which of the following best describes the ocean bottom?
dark
quiet
cold
all of the above
59
Unlike surface currents, deep currents depend on differences in (2)
temperature
tides
salt concentration
wavelengths
60
The movement of water that parallels the shore within the surf zone is called ____.
salinity current
beach drift
tidal current
longshore current
61
What is 3
Bay of Bengal
Indian
Pacific
Atlantic
62
In an attempt to get around imperial law, the colonies used ...
tarriffs
smuggling
taxation
sabotage
63
layers of the ocean: surface, mixted, transition & deep are based on...
depth
density
temperature
light
64
The surface current that brings warm water north along the east coast of the United States.
Alaska Current
Current Events
Gulf Stream
California Current
65
The original source of energy for ocean currents (both surface and deep) is
the moon
volcanoes
the Earth's magnetic field
the sun
66
The largest of Earth’s oceans is the ____.
Pacific
Arctic
Indian
Atlantic
67
Ocean Volcanoes are located at
e
d
f
c
68
What happens to ocean water that becomes denser?
It rises.
It sinks.
It gets hot.
It gets cold.
69
Deep currents are caused by
convection currents
conduction
winds
the Coriolis Effect
70
Which of the following is a type of nekton?
shark
sea star
zooplankton
bacteria
71
Seamounts are ____.
only found in the Pacific Ocean
volcanoes that form on the ocean floor
submarine canyons found near Australia
a special type of oceanic trench
72
The magnetic striping of the sea floor is evidence of reversals in the polarity, it proves
changes in Earth’s axis of rotation
sea floor spreading
transform faults
subduction down the rift valleys
73
the oceans are very noisy
True
False
74
Oceans are an important source of… (multiple)
Energy
Food
Minerals
Travel
75
In a wave, a single particle of water
moves in a circle
moves with the crest, toward the shore
with the trough, from the shore
76
The animals in this zone tend to be blind
benthic
neritic
littoral
pelagic
77
The ocean current that provides warmth for many parts of Europe is
The Gulf Stream
The jet stream
a deep current
the East Australian Current
78
A periodic change in the Pacific Ocean when surface-water temperature becomes warmer is called
El Nino
La Nina
the Coriolis effect
upwelling
79
navigation by sound is called
bat vision
sonar
echolocation
acoustics
80
How do surface currents form?
Wind travels south from the North Pole
Heat is carried by convection currents..
The sun's energy causes the wind to blow.
The moon's gravity pulls at the oceans.
81
The ocean layer of rapid temperature change with depth is known as the ____.
mixed zone
trophic level
thermocline
deep zone
82
A process that brings nutrients to the surface of the ocean is called
upwelling
continental deflection
La Nina
the Coriolis effect
83
The uppermost layer of the ocean.
Bathypelagic
Epipelagic
Mesopelagic
Abyssopelagic
84
The steep continental slope merges into a more gradual incline known as the continental ____.
zone
abyss
rift
rise
85
About how deep do surface currents go?
100 feet
400 feet
10 feet
1000 feet
86
How does light change with increasing depth in the ocean?
Some Change
No Change
Increases
Decreases
87
Which describes what is happening at high tide?
moon revolving quickly than Earth rotating
moon's gravity pulling ocean water into bulge
moon's gravity is dragging water away from equator
sun's gravity pulls with more force than moon's
88
The accumulation of sediment found along the shore of a lake or ocean is called a ____.
beach
sea arch
neap tide
longshore current
89
Oceanic crust is more _______________ than continental crust.
Silica rich
Dense
Colorful
Oxygen rich
90
Where does seafloor spreading occur?
at convergent plates
on seamounts
at divergent plates
near the ocean surface
91
Circular orbital motion refers to ____.
water particles and the transfer of energy
ocean density currents
the movement of sediment along coasts
tidal patterns
92
Warm surface currents originate near the________________.
Poles
Pacific Ocean
Southern Ocean
Equator
93
What technology do scientists use to measure ocean depth?
laser
submersible
sonar
rope
94
Trying to roll a ball straight across a turning merry-go-round is a demonstration of
tidal ranges
continental deflection
wave movement
the Coriolis effect
95
Isolated volcanic peaks on the ocean floor are called ____.
ridges
seamounts
nodules
plateaus
96
About what percentage of the water on or near the Earth's surface is contained in the ocean?
97
85
71
66
97
Oceans may have formed on Earth due to impacts of ________.
Stars
Comets & Asteroids
Dust particles & meteors
Planets
98
The two most abundant salts dissolved in ocean water:
Sodium and Chloride
Oxygen and Hydrogen
Calcium and Chloride
Sodium and Bromide
99
The gently sloping submerged surface extending from the shoreline toward the deep ocean.
continental shelf
submarine canyon
continental slope
continental rise