Marine Ecosystem topic test review – Flashcards
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Seafood Watch is a program that identifies sustainably harvested, ocean friendly seafood in order to _______.
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b. allow consumers to make environmentally responsible choices
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How has human use of salt marshes changed over time?
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a. Humans have come to value salt marshes and now seek to preserve and restore them.
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Which of the following best explains the current state of the majority of the world's fisheries?
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b. they are currently overfished
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It is crucial to study ocean microbes because _______.
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a. they control the major biogeochemical cycles that keep Earth's biosphere in balance
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The U.S. Integrated Ocean Observing System (IOOS) is best described as _______.
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d. all of the above
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The principle difference between where salt marshes and mangrove forests grow is the salinity of the water.
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False
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Legislation has been ineffective at preserving coral reefs.
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False
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Why are coral reefs overexploited?
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b. Coral and its organisms are valuable commodities in the aquarium industry.
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Which of the following is most negatively affected by fishing practices?
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a. deep sea corals
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Landlocked nations do not contribute to marine debris.
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False
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Which of the following does not explain the importance of mangrove forests?
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c. They increase surface runoff and flooding.
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Which of the following is not one of the three major structures of coral reefs?
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a. planulae
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Scavengers living in the coral reef _______.
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b. clean up algae and decayed matter
