12 points QUESTION 1What is the ultimate source of energy for most life on Earth?a.waterb.hydrothermal ventsc.the tidesd.the Sune.heat10 points QUESTION 2The similarity in shape of sharks, porpoises and penguins is the result of what? (PICK TWO)a.these species have a common dinosaur ancestorb.convergent evolutionc.interbreeding among these speciesd.similar environmental conditions in the ocean selecting for similar traitse.divergent evolution10 points (Extra Credit) QUESTION 3What is the "bends"?a.Helium added to divers' air tanks causes their voices to become high-pitched.b.If divers dive too deep their lungs may collapse.c.The high pressure may cause deep-diving divers to go blind.d.If divers swim to the surface too quickly gas bubbles may form in their blood.10 points QUESTION 4For deep-diving divers what gas under high pressure can act as a narcotic and cause them to black out?a.carbon dioxideb.oxygenc.nitrogend.water vapore.helium10 points QUESTION 5Ocean primary productivity is the amount of inorganic carbon that becomes bound into organic compounds (such as sugar) within a primary producer. True False5 points QUESTION 6Primary productivity in algae and cyanobacteria is accomplished through chemosynthesis. True False5 points QUESTION 7The chemosynthetic bacteria at deep sea hydrothermal vents are primary producers. True False5 points QUESTION 8Algae is a general term:a.that excludes all primary producers attached to the sea bottomb.that includes only single-celled primary producersc.that includes all marine primary producers containing chlorophylld.that includes marine primary producers containing chlorophyll and with nuclei, but lacking a vascular system10 points QUESTION 9What physical conditions are bad for coral reefs? (pick ALL the correct answers)a.cold waterb.muddy waterc.water with normal salinityd.deep water10 points QUESTION 10What decreases diversity (i.e. number of species) in an ecosystem?a.high nutrient levelsb.constant environmental conditions (e.g. salinity, temperature)c.widely fluctuating environmental conditionsd.low nutrient levels10 points QUESTION 11The abundance of nutrients entering the habitat is the reason that most coastal habitats are fertile oases. But which habitat is called a "fragile" oasis because of the scarcity of incoming nutrients?a.estuariesb.coral reefsc.lagoonsd.mangrove swampse.salt marshes10 points (Extra Credit) QUESTION 12In coastal waters the base of the food chain consists of:a.phytoplanktonb.benthic microalgaec.seaweed and marsh grassd.detrituse.all of the above10 points QUESTION 13The food chain of deep-sea floor communities is largely based on detritus settling from above. True False5 points QUESTION 14High-biomass oases are found at hydrothermal vents. True False5 points QUESTION 15Seaweed and phytoplankton are the primary food sources in the Bay of Fundy. True False5 points QUESTION 16Strong tidal currents prevent the accumulation of nutrients in the Bay of Fundy. True False5 points QUESTION 17Abundant coral reefs make up the base of the food chain in the Bay of Fundy. True False5 points QUESTION 18Whalers liked to hunt this type of whale because it was slow moving, rarely sank when killed, and contained much whale oil:a.Humpback Whalesb.Right Whalesc.Sperm Whalesd.Fin-back Whales10 points QUESTION 19Which species in the Bay of Fundy actually benefits from human activity?a.herringb.herring gullsc.harbor sealsd.puffins and terns10 points QUESTION 20Petroleum and natural gas:a.mostly form from the organic material in forestsb.form largely from the organic material that accumulates on the continental shelfc.are of volcanic origind.formed in the mantle10 points QUESTION 21The mutually helpful relationships coral have with zooxanthellae and humans have with the beneficial bacteria in their intestines are examples of:a.symbiosisb.infectionc.speciationd.convergent evolutione.lateral gene transfer10 points (Extra Credit) QUESTION 22The basic unit of life is the . It commonly contains a central which has the genetic information and an outer which regulates the exchange of chemicals with the environment.Choose from this list to fill in the blanks:gillmembranetrophic levelnucleusorbitalcell15 points QUESTION 23Darwin's theory of evolution is based on what two things?a.diffusionb.natural selectionc.inheritable variationd.active transporte.ecosystem10 points QUESTION 24Neo-Darwinism elaborates on Darwin's original theory by including the additional mechanism of:a.chemosynthesisb.inheritable variationc.mutations in DNAd.photosynthesis5 points (Extra Credit) QUESTION 25A group of interbreeding organisms that cannot interbreed with other organisms is known as a:a.speciesb.fungusc.ecosystemd.trophic levele.Monera10 points QUESTION 26The totality of the environment including all the inter-relationships among all the organisms and all the interactions between the organisms and the physical environment is called:a.food webb.natural selectionc.primary productivityd.ecosysteme.Gaia10 points QUESTION 27Coral reefs are the oldest ecosystem existing on Earth. True False5 points QUESTION 28A good source material for oil and gas is while a good reservoir material for oil is . Also is necessary to breakdown the organic material to oil and gas.Choose terms from this list to fill in the blanks:thermal maturationbasaltorganic-rich shalecoral reefssandstonecap rockosmosis15 points QUESTION 29In order to keep underground oil and gas from escaping to the surface TWO things are necessary. What are they? (PICK TWO).a.manganese nodulesb.sandstonec.anaerobic bacteriad.cap rocke.geologic trap10 points QUESTION 30Oil reservoirs are mostly large underground caverns. True False5 points QUESTION 31What is true about gas hydrates? (PICK THREE)a.They form under high temperature conditions.b.The gas is methane (CH4).c.The gas is produced by anaerobic bacteria.d.The gas in the hydrates is presently being produced economically in large quantities.e.They are of no economic interest.f.They are found in sediments of the continental shelf and slope.12 points
This question was answered on: May 23, 2022
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