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Why do we look for Tuna that says "dolphin safe"?
when a pod of dolphins was spotted, there would be a school of yellow fin tuna right below them, so a net was used to catch the tune (and dolphin)
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What is a sustainable yield?
The number of individuals in a population that can be harvested without reducing the size of the population or letting it grow
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How are most clupeoid fish utilized?
because of their small size, they are mostly ground into a fish meal that is used as a protein supplement for other foods
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What is this?
turbines that harness the energy of ocean waves and turns it into electricity
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What are the benefits and risks of closed mariculture?
more controlled, risks: dense populations-disease, accumulation of waste, very expensive, can't accommodate organisms with changing needs
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banana
Go to last place!
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star
Double points!
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shark
Other team loses 25 points!
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baam
Lose 5 points!
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What is an exclusive economic zone?
Resources found up to 200 miles off shore belong exclusively to that country
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What is a renewable resource?
Resources that can naturally replace harvested numbers.
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What is bycatch?
the unwanted fish and other marine creatures caught during commercial fishing for a different species.
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thief
Give points!
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gift
Win 20 points!
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shark
Other team loses 25 points!
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lifesaver
Give 10 points!
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What is reverse osmosis?
a water purification process that uses a partially permeable membrane to separate ions, unwanted molecules and larger particles from drinking water.
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describe trawling.
a method of fishing that involves pulling a fishing net through the water behind one or more boats. dragging it on the bottom
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What is open mariculture?
farming marine organisms where conditions are subject to weather, pollution and changing seasons
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What is a maximum sustainable yield?
the size of a natural population at which it produces a maximum rate of increase, typically at half the carrying capacity.
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What is closed mariculture?
farming marine organisms where the environment is completely controlled by the farmer
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seesaw
Swap points!
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fairy
Take points!
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25
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gift
Win 20 points!
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baam
Lose 25 points!
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