WorksheetsMarine Resources Review
Total questions: 20
Worksheet time: 40mins
Which of the following statements applies to resources from the sea?
They are easier to recover than food from the land.
They are usually found in concentrated ores.
They are in greater variety than minerals on land.
They are less expensive to recover than from land
They are more dilute, harder to reach and more difficult to recover.
Second to petroleum and natural gas, the most profitable resource recovered from the marine environment is:
Gold and diamonds
Sand and gravel
Coal
Phosphate rock
Which of the following is a hydrocarbon deposit?
Fish eggs
Oil
Sand and Gravel
Diamonds
All of the above
About _____________% of human protein comes from the sea.
0.2%
1%
4%
8 %
All of the following resources are recovered from seawater except:
Aluminum
Fresh water
Salt
Magnesium salts and magnesium meta
Though desalination is a theoretically attractive method of obtaining freshwater from seawater, no large commercial facilities for desalination exist.
True
False
The world’s catch of seafood is made up of what kinds of organisms?
Thousands of different species of fish
Primarily invertebrates, such as lobsters and oysters
Herring, anchovies, and sardines
Mostly tuna and salmon
Whaling has effectively ceased. Except for a small and relatively insignificant number of “pirate whalers,” the taking of whales for profit is a thing of the past.
True
False
Which of the following statements relates to aquaculture as it has developed in the United States?
It is used primarily for raising catfish, shrimp, salmon, and tilapia.
It is used for ranching large fish such as tuna, yellowtail, and halibut.
It has been most successful in waters near urban areas where markets are nearby.
It has been tried and abandoned as uneconomical.
What is the greatest industry related to the sea?
Aquaculture/Mariculture
Tourism
Oil
Fishing
Transportation of goods
Though a few appear promising, no drugs (pharmaceuticals) from marine sources are presently approved for human use.
True
False
As of 1991, organized whaling ceased. Only a very few pirate whalers now kill whales, and in insignificant numbers.
True
False
Renewable resources are naturally replaced by the growth of marine organisms or other natural processes.
True
False
Nonrenewable resources are never replenished.
True
False
Which of the following result from the deposition, accumulation, or precipitation of useful substances in the ocean or on the seafloor?
Biological Resources
Renewable Resources
Physical Resources
Nonrenewable Resources
Which of the following are living animals and plants collected for human use?
Biological Resources
Renewable Resources
Physical Resources
Nonrenewable Resources
Why do we not use desalination plants to help with the Texas drought?
No source of saltwater
Desalination won’t work with the Gulf of Mexico
It’s too expensive
They don’t exist
What is the fastest growing viable alternative to oil as an energy source?
Solar
Wind
OTEC
Natural gas
What is it called when we pull too many fish out of an ecosystem and they are not given a chance to replenish themselves?
Bykill
Natural Selection
‘Merica
Overfishing
What is it called when one species of fish is unintentionally killed when another species of fish is being collected?
Bykill
Natural Selection
‘Merica
Overfishing
