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Upwelling: Quiz


Question 1: Upwelling intensity depends on wind strength and seasonal variability, as well as the vertical structure of the ________, variations in the bottom bathymetry, and instabilities in the currents.
WaterOxygenEarthWater resources

Question 2: Wind-driven currents are diverted to the right of the winds in the Northern Hemisphere and to the left in the Southern Hemisphere due to the ________.
Gulf StreamCoriolis effectOcean gyreThermohaline circulation

Question 3: This event is known as the ________ (ENSO) event.
El Niño-Southern OscillationPhysical oceanographyCurrent sea level riseGlobal climate model

Question 4: Phytoplankton → Zooplankton → Predatory zooplankton → ________ → Predatory fish [2]
PaedophagyFilter feederLepidophagyBottom feeder

Question 5: Large-scale upwelling is also found in the ________.
Atlantic OceanSouthern OceanPacific OceanIndian Ocean

Question 6: In temperate ________, the temperature contrast is greatly seasonably variable, creating periods of strong upwelling in the spring and summer, to weak or no upwelling in the winter.
EquatorLatitudeAntarctic CirclePrime Meridian

Question 7: Approximately 25% of the total global ________ catches come from five upwellings that occupy only 5% of the total ocean area.
List of marine aquarium fish speciesReef safeFishkeepingAquarium Fish International

Question 8: High primary production propagates up the ________ because phytoplankton are at the base of the oceanic food chain.
Food chainHerbivorePredationCarnivore

Question 9: The increased availability in upwelling regions results in high levels of ________ and thus fishery production.
PlanktonPrimary productionCyanobacteriaPhytoplankton

Question 10: Deep waters are rich in nutrients, including nitrate and phosphate, themselves the result of ________ of sinking organic matter (dead/detrital plankton) from surface waters.


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