Exam 11: Sustaining Aquatic Biodiversity

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The purpose of mitigation banking is to ____.

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What part should subsidies play,if any,in the effort to reach sustainable fishing?

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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.

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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?

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Warmer and more acidic ocean water is stressing ____,the foundation of the marine food web.

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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.

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What is CITES?

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The _______________ marine biodiversity occurs in coral reefs,estuaries,and on the deep-ocean floor.

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Climate scientists estimate the oceans may rise as high as five feet by the year 2100.

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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.

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For every shark that injures or kills a person,people kill about ____ sharks.

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Creating and restoring wetlands has become a profitable business.

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Many marine scientists suggest we need at least ____% of the world's oceans fully protected as marine reserves.

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Marine Protected Areas are the only areas in the ocean where fish are totally protected from human activities.

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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? 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?

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Some fisheries biologists and managers have begun using the ____________________ to replace the maximum sustained yield.

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Sea-bottom habitats are being threatened by ____.

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The UN estimates that ____________________% of all ocean pollution comes from land-based coastal activities.

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In recent years,jellyfish blooms have ____.

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Humans have explored only about ____________________% of the earth's global ocean and know little about its biodiversity.

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