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WorksheetsBju and Oceans and Science
Total questions: 19
Worksheet time: 10mins
Name
Class
Date
1.
A connection between terrestrial and aquatic food webs is best exemplified by which pair of animals?
a)
dolphins and fish
b)
lions and gazelles
c)
pelicans and fish
d)
spiders and flies
2.
Which statement best describes an estuary?
a)
An estuary is the extension of a continent located underwater.
b)
An estuary is land that is exposed at low tide and is underwater at high tide.
c)
An estuary is a partly enclosed body of water where a river meets the ocean.
d)
An estuary is a deep body of water that contains large animals.
3.
Review the graph showing marine fishing rates.If the fishing rate in Asia continues to grow, what will most likely happen as a result?
a)
The fish population will continue to rise.
b)
The U.S. human population will decline.
c)
A wide range in ocean temperatures will be seen worldwide.
d)
The overfishing will cause an imbalance in marine ecosystems.
4.
The diagram shows a boat using sonar to gather information in the ocean. What is most likely being measured with this technology?
a)
ocean depth
b)
ocean temperature
c)
pH level
d)
turbidity level
5.
The population of photosynthetic organisms is higher in the neritic zone and surface waters than in the deep ocean. Which statement best explains the reason for this?
a)
There is more space for plants to grow in these areas of the ocean.
b)
There is more dissolved oxygen for plants in these areas of the ocean.
c)
The availability of sunlight and nutrients supports photosynthetic organisms.
d)
The high salinity and cool temperature supports photosynthetic organisms.
6.
Which statement about oceans is true?
a)
Pressure is lower on the ocean floor.
b)
Water temperature increases with depth.
c)
More photosynthesis occurs in the warmer surface waters.
d)
The colder, deeper waters are less dense than the surface waters.
7.
Use the marine food web to answer the question. Which organism most accurately represents a link between an aquatic and terrestrial environment?
a)
fish
b)
pelican
c)
plankton
d)
shark
8.
Which statement best describes how nutrients move in the ocean as a result of upwelling?
a)
Nutrients move from estuaries into the intertidal zone.
b)
Nutrients move from warm, shallow areas to deep, colder areas.
c)
Nutrients move from the neritic zone to the intertidal zone.
d)
Nutrients move from deep, colder areas to warm, shallow areas.
9.
A snaggletooth fish has a glowing lure that extends from its chin to attract prey. In which ocean zone does this fish most likelylive?
a)
bioluminescent zone
b)
intertidal zone
c)
neritic zone
d)
oceanic zone
10.
In what ocean zone do coral reefs grow?
a)
estuarial zone
b)
intertidal zone
c)
neritic zone
d)
oceanic zone
11.
In what ocean zone are tide pools located?
a)
estuarial zone
b)
intertidal zone
c)
neritic zone
d)
oceanic zone
12.
The diagram shows an organism that lives in the ocean.What is true about the organism shown?
a)
It is algae.
b)
It is benthos.
c)
It is nekton.
d)
It is plankton.
13.
Which organism is an example of a benthos?
a)
jellyfish
b)
seal
c)
shark
d)
starfish
14.
Which organism would be found in an intertidal zone?
a)
coral
b)
crab
c)
dolphin
d)
squid
15.
Which organisms could live on the floor of the oceanic zone?
a)
algae
b)
clams
c)
sharks
d)
worms
16.
Which tool would most likely be used by scientists to explore a hydrothermal vent at the Mid-Atlantic Ridge?
a)
buoy
b)
remote operated vehicle
c)
satellite imagery
d)
sonar
17.
A group of students developed a model to represent the different zones of an ocean. Which factor prevents the growth of aquatic plants in the aphotic zone?
a)
absence of tides
b)
absence of sunlight
c)
underwater volcanoes
d)
salinity of water
18.
A scientist observed that the Arctic Ocean had less dissolved oxygen in the winter as compared to the summer. What could be a reason for this?
a)
less salinity
b)
high temperatures
c)
an increase in upwelling
d)
poor phytoplankton growth
19.
Which process occurs in the ocean and contributes large amounts of oxygen to the atmosphere?
a)
digestion by fish
b)
decomposition by bacteria
c)
respiration by zooplankton
d)
photosynthesis by phytoplankton
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