EV 24 Exam With Complete solution

EV 24 Exam With Complete solution


The oil and gas found in the marine environment have their origin as _____. - Correct Answer - marine
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sediments
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A major challenge to setting up a marine sanctuary is _____. - Correct Answer - determining space
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needs of protected species
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New drugs [like bryostatin] have been isolated from marine organisms to fight cancer in humans. These
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chemicals, found in sponges and other soft creatures, are used in their hosts to _____. - Correct
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Answer - deter predation
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Overfishing can be detected pretty accurately in an area by a/an _____ catch per unit effort by local
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fishermen. - Correct Answer - decrease in
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At a level of about _____ depletion of spawning stock biomass, fish species begin to have trouble
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recovering population size. - Correct Answer - 20%
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True or False. Man has pretty much exhausted the search for new and potentially useful natural
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products from the ocean. - Correct Answer - False
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Ocean autotrophs are very important commercially. Which one of these organisms fits that
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description? - Correct Answer - kelp
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True or False. Seaweed byproducts are used in ice cream. Yum! - Correct Answer - True
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The most easily accessible and consistently available marine resource is probably _____. - Correct
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Answer - fish
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