Exam 4
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| show | A. producer
C. decomposer
B. consumer
A. producer
A. producer
B. consumer
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| A. incidental catch B. farming of shellfish E. dolphin G. catch without reducing population C. available biomass by-catch mariculture Marine Mammals Act of 1992 maximum sustainable yield standing stock | show 🗑
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| show | e.there is a net gain in organic carbon
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| show | a.chemosynthetic bacteria
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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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| the organism that is responsible for red tides and paralytic shellfish poisioning belongs to the Division: a.bacillariophyta b.chlorophyta c.phaeophyta d.pyrrophyta e.rhodophyta | show 🗑
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| show | c. diatoms
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| show | e. ulva
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| show | b. eutrophication
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| show | e. may produce toxins that affect human neurological functioning
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| eutrophication is a type of pollution caused by increased: a.concentration of hydrocarbons b. inorganic nutrient input c. primary productivity d. salinity e. water temperature | show 🗑
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| the relative productivity in the world's oceans from most productive to least: a.polar, temperate, tropical b.polar, tropical, temperate c. temperate, polar, tropical d. temperate, tropical, polar e. tropical, temperate, polar | show 🗑
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| temperate oceans during winter months a. nutrients high,solar low,temp decreases b.nutrients high,solar high,temp decreases. c. nutrients high, solar high, temp increases d. nutrients low,solar high,temp decreases e. nutrient low, solar low, temp dec | show 🗑
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| temperate oceans,summer months: a.nutrients high,solar low, oxy decre b.nutr high, solar high, oxy decre c. nutr hih, solar high, oxy incre d. nutr low, solar high, oxy decre e. nutr low, solar high, oxy increa | show 🗑
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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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| show | c. oligotropic area
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| show | a. light limited
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| productivity in tropical oceans is: a. light limited b. nutrient limited c. oxygen limited d. light and nutrient limited e. nutrient and oxygen limited | show 🗑
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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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| show | e. whale-barnacle
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| show | e. 90%
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| show | a. 1%
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| a symbiotic relationship in which one organism benefits and the other is unaffected is: a. commensalism b. ectoparasitism c. endoparasitism d. mutualism e. predation | show 🗑
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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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| show | a. continental shelves
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| the term bycatch refers to: a. krill and shellfish b. non-target species that are caught along with commercial species c. species caught as part of traditional fisheries d. species harvested e. species raised in aquaculture settings | show 🗑
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| all of the following are effective ways to regulate fishing excpt: a. limiting length of fishing season b. limiting size of boat c. restricting location of catch d. setting catch limits e. setting gear limits | show 🗑
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| show | d. result in overfishing
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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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| which fins are used as stabilizers? a. anal and caudal b. anal and dorsal c. caudal and dorsal d. caudal and pelvic e. pectoral and pelvic | show 🗑
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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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| a torpedo shape body is found among: a. bottom dwelling fishes b. demersal fishes c. fast swimming fishes d. fishes that live among rocks and vegetation e. slow swimming fishes | show 🗑
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| show | a. blood flow is shifted from the brain to the extremities
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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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| show | e. white
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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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| show | e. sperm whales
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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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| show | e. mate and give birth during tropics during winter
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| word analysis: a. arrow worm b. copecod c. ctenophore d. jellyfish e. salp | show 🗑
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| show | e. ventral
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| show | b. collapsible ribs
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| words: a. blue b. gray c. killer d. minke e. sei | show 🗑
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