Exam 10: Ocean Ecosystems

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  -The Great Pacific Garbage Patch was first detected by satellites. -The Great Pacific Garbage Patch was first detected by satellites.

(True/False)
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  -Which is not a practical solution to the plastic problem? -Which is not a practical solution to the plastic problem?

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  -The bathypelagic zone occurs at a depth of __________ meters. -The bathypelagic zone occurs at a depth of __________ meters.

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  -Which lettered location on the map shows the area of greatest change in seawater pH? -Which lettered location on the map shows the area of greatest change in seawater pH?

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  -Which lettered location on the map shows the coldest water? -Which lettered location on the map shows the coldest water?

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  -The __________ Ocean is mostly in the Southern Hemisphere. -The __________ Ocean is mostly in the Southern Hemisphere.

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  -Coastal dead zones are areas of coastal water with extremely high levels of oxygen. -Coastal dead zones are areas of coastal water with extremely high levels of oxygen.

(True/False)
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  -__________ are isolated submerged mountains on the seafloor. -__________ are isolated submerged mountains on the seafloor.

(Multiple Choice)
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  -Which area on the map shows the area of least change in seawater pH? -Which area on the map shows the area of least change in seawater pH?

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  -Shark fin soup threatens sharks worldwide. -Shark fin soup threatens sharks worldwide.

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  -About __________ percent of all plastic made is disposed of in landfills. -About __________ percent of all plastic made is disposed of in landfills.

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  -Estuaries occur only at the mouths of rivers where fresh and salt water mix and there is a tidal influence. -Estuaries occur only at the mouths of rivers where fresh and salt water mix and there is a tidal influence.

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  -The Great Pacific Garbage Patch forms because of ocean gyres. -The Great Pacific Garbage Patch forms because of ocean gyres.

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  -Explain how the Pacific sea otter functions as a keystone species in kelp forests on California's coastline. -Explain how the Pacific sea otter functions as a keystone species in kelp forests on California's coastline.

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  -The flat plains on the ocean floor are called __________. -The flat plains on the ocean floor are called __________.

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  -Referring to the variation in ocean salinity map, which statement describes ocean water salinity at the equator? -Referring to the variation in ocean salinity map, which statement describes ocean water salinity at the equator?

(Multiple Choice)
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  -What season has the highest biological productivity in polar waters? -What season has the highest biological productivity in polar waters?

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  -Kelp forests occur in water no deeper than __________ meters. -Kelp forests occur in water no deeper than __________ meters.

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  -Sea turtles can be killed when they eat plastic bags, mistaking them for jellyfish. -Sea turtles can be killed when they eat plastic bags, mistaking them for jellyfish.

(True/False)
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  -Mangrove forests are important because they function as nurseries for many species of fish. -Mangrove forests are important because they function as nurseries for many species of fish.

(True/False)
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