Exam 11: Sustaining Aquatic Biodiversity
Exam 1: Environmental Problems, their Causes, and Sustainability90 Questions
Exam 2: Science, matter, energy, and Systems90 Questions
Exam 3: Ecosystems: What Are They and How Do They Work90 Questions
Exam 4: Biodiversity and Evolution90 Questions
Exam 5: Biodiversity, species Interactions, and Population Control90 Questions
Exam 6: The Human Population and Its Impact89 Questions
Exam 7: Climate and Biodiversity100 Questions
Exam 8: Aquatic Biodiversity93 Questions
Exam 9: Sustaining Biodiversity: The Species Approach83 Questions
Exam 10: Sustaining Terrestrial Biodiversity: The Ecosystem Approach88 Questions
Exam 11: Sustaining Aquatic Biodiversity88 Questions
Exam 12: Food, soil, and Pest Management90 Questions
Exam 13: Water Resources90 Questions
Exam 14: Geology and Nonrenewable Mineral Resources90 Questions
Exam 15: Nonrenewable Energy90 Questions
Exam 16: Energy Efficiency and Renewable Energy89 Questions
Exam 17: Environmental Hazards and Human Health88 Questions
Exam 18: Air Pollution90 Questions
Exam 19: Climate Disruption and Ozone Depletion85 Questions
Exam 20: Water Pollution86 Questions
Exam 21: Solid and Hazardous Waste89 Questions
Exam 22: Cities and Sustainability88 Questions
Exam 23: Economics, environment, and Sustainability90 Questions
Exam 24: Politics, environment, and Sustainability90 Questions
Exam 25: Environmental Worldviews, ethics, and Sustainability49 Questions
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What part should subsidies play,if any,in the effort to reach sustainable fishing?
(Essay)
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Nearly ____________________ of the world's annual fish catch by weight consists of non-target bycatch species,that is,not the fish species that was intended to be caught.
(Short Answer)
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Which of the following is defined as the area of ocean needed to sustain the fish consumption of an average person,a nation,or the world?
(Multiple Choice)
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Warmer and more acidic ocean water is stressing ____,the foundation of the marine food web.
(Multiple Choice)
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Bioinvaders can be blamed for ____ of all fish extinctions in the U.S.since 1900 and have caused huge economic losses.
(Multiple Choice)
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The _______________ marine biodiversity occurs in coral reefs,estuaries,and on the deep-ocean floor.
(Short Answer)
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Climate scientists estimate the oceans may rise as high as five feet by the year 2100.
(True/False)
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Many fishery and environmental scientists are interested in the ____________________,which means sharply reducing fish harvests and closing some overfished areas until they recover and we have more information.
(Short Answer)
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For every shark that injures or kills a person,people kill about ____ sharks.
(Multiple Choice)
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Creating and restoring wetlands has become a profitable business.
(True/False)
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Many marine scientists suggest we need at least ____% of the world's oceans fully protected as marine reserves.
(Multiple Choice)
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Marine Protected Areas are the only areas in the ocean where fish are totally protected from human activities.
(True/False)
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Use the figure above to answer the following question(s).
-What is trawl fishing,what types of fish does it target,and which letter depicts it on the figure?
(Essay)
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Some fisheries biologists and managers have begun using the ____________________ to replace the maximum sustained yield.
(Short Answer)
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The UN estimates that ____________________% of all ocean pollution comes from land-based coastal activities.
(Short Answer)
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Humans have explored only about ____________________% of the earth's global ocean and know little about its biodiversity.
(Short Answer)
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