Exam 4
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| show | A. producer
C. decomposer
B. consumer
A. producer
A. producer
B. consumer
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| show | A. incidental catch
B. farming of commercial shellfish and finfish
E. dolphin protection
G. catch w/o reducing population of target species
C. available biomass of target species
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| In primary production: a.carbon dioxide is released into water b.oxygen is utilized by plants c.oxygen utilized by animals is less than oxygen d.proteins are made by animals e.there is a net gain in organic carbon | show 🗑
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| bacteria that make their own carbohydrates by obtaining energy from chemical compounds and not directly the sun are: a.chemosynthetic bacteria b.cyanobacteria c.heterotrophs d.phytoplankton e.protists | show 🗑
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| show | d. A and B are correct
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| the nutrients that tend to limit photosynthesis in marine environments include: a. carbon dioxide b. nitrate c. phosphorus d. A and B are correct e. B and C are correct | show 🗑
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| show | d. compensation depth for photosynthesis
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| the most abundant marine macro algae are members of the Division: a. bacillariophyta b. chrysophyta c. phrysophyta d. phaeophyta e. rhodophyta | show 🗑
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| diatoms, important producers in the epipelagic open ocean, are members of the Division: a. angiospermae b. chrysophyta c. chlorophyta d. haptophyta e. pyrrophyta | show 🗑
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| show | d.pyrrophyta
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| important marine autotrophs that have si02 incorporated in the cell walls are: a. coccolithophorids b. cyanobacteria c. diatoms d. dinoflagellates e. radiolarians | show 🗑
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| show | e. ulva
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| show | b. eutrophication
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| harmful algal blooms (HABs) a. only affect invertebrates b. are caused by coccolithophorids c. do not affect coastal fisheries d. have decreased in frequency since 1992 e. may produce toxins that affect human neurological functioning | show 🗑
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| show | b. inorganic nutrient input
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| show | a. polar, temperate, tropical
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| show | a. nutrient concentrations are high, solar input is low, water temp decreases
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| show | d. nutrient concentrations are low, solar input is high, and oxygen solubility decreases
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| which tropical locations have high primary productivity rates? a. coastal upwelling zones b. coral reefs c. equatorial upwelling zones d. mangrove swamps e. all of the above | show 🗑
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| an area of the open ocean where the rate of primary productivity is very low is: a. atropic zone b. eutrophic area c. oligotropic area d. photic zone e. polytropic area | show 🗑
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| show | a. light limited
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| show | b. nutrient limited
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| if 10,000 KCAL of energy were contained in primary producers, on avg how many KCAL of energy would you expect to be transferred to third-order consumers? a. 10,000 b.1,000 c.100 d.10 e.1 | show 🗑
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| show | b. cyclic
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| show | e. unidirectional
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| the efficiency of trophic transfers in ecosystems is on average around: a. 75% b. 50% c. 30% d. 10% e. 5% | show 🗑
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| which pairs is incorrect: a. coral-dinoflag b. fish-isopods c. grouper-cleaner wrasse d. shark-remora e. whale-barnacle | show 🗑
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| the percentage of biomass regularly recycled in the euphotic zone is: a. 1% b. 10% c. 30% d. 50% e. 90% | show 🗑
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| the percentage of euphotic zone biomass that reaches the deep ocean floor is: a. 1% b. 10% c. 30% d. 50% e. 90% | show 🗑
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| show | a. commensalism
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| show | d. mutualism
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| show | b. largest catch that can be taken without overfishing
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| the area of the ocean that produces the largest standing stock of commercial fish: a. continental shelf b. epipelagic zone c. mesopelagic zone d. tropical areas e. upwelling areas | show 🗑
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| show | b. non-target species that are caught along with commercial species
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| show | b. limiting size of boat
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| catches above the maximum sustainable yield: a.can be increased to prevent overfishing b. produce decreased fishing effort c. result in increased populations of target species d. result in overfishing e. result in underutilization of target species | show 🗑
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| show | e. surround and trap fishes
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| show | e. standing stock
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| show | a. gas filled bladders
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| show | b. jelly fish
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| identify mismatched pair a. arrow worm- chaetognatha b. krill-crustacea c. physalia- cnidaria d. sea gooseberry- ctenophora e. squid-chordata | show 🗑
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| show | e. pectoral and pelvic
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| show | b. anal and doral
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| the shape of the caudal fin of a shark is referred to as: a. forked b. heterocercal c. lunate d. rounded e. truncate | show 🗑
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| show | c. fast swimming fishes
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| which of the following is not an adaptation for deep living in cetaceans? a. blood flow is shifted b. collapsing lungs c. a lot of myoglobin d. having increased hemoglobin e. lowed cardiac rate | show 🗑
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| a modified circulatory system in tuna helps it: a. cruise for long periods of time b. maintain a relatively high body temperature c. miimize heat loss d. swim very fast for short periods of time e. all of the above | show 🗑
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| all of the following are adaptations of mesopelagic fishes except: a. extensible jaws b. large mouths c. large body d. nonspecific diet e. sharpe, needle like teeth | show 🗑
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| show | e. warning coloration
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| which of the following affect the ability of species to capture food: a. body length b. body temp c. circulatory system d. speed e. all | show 🗑
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| show | e. tuna
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| the muscle tissue of a lunger is mainly a. blue b. gray c. pink d. red e. white | show 🗑
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| the speed of a fish is closely related to its: a. aspect ratio b. length c. number of fins d. size of tail e. width | show 🗑
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| cruises often have relatively high body temp bcuz: a. assists them in predator avoidance b. helps blend c. increase power output of muscle tissue d. they are cold blooded e. they only need to move periodically | show 🗑
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| all of the following are baleen whales except: a. blue whales b. fin whales c. gray whales d. right whales e. sperm whales | show 🗑
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| identify mismatched: a. dolphin-cetacea b. dugong-sirenia c. manatee-cetacea d. sea otter-carnivora e. walrus-pinnipedia | show 🗑
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| show | c. have external ears
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| gray whales migrate every year to a. feed in arctic b. feed in tropics in summer c. feed in tropics in winter d. mater and give birth in arctic and antarctic regions during summer e. mate and give birth in tropics during winter | show 🗑
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| word analysis: a. arrow worm b. copecod c. ctenophore d. jellyfish e. salp | show 🗑
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| analysis: a. anal b. caudal c. dorsal d. pelvic e. ventral | show 🗑
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| words: a. small size b. collapsible ribs c. gas container d. spines e. swim bladder | show 🗑
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| show | c. killer
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