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30 questions
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- Q1Which term describes the upward movement of cold, nutrient-rich water from deeper ocean layers to surface layers?Value and sustainability of marine resourcesMarine ecosystemsEstuariesUpwelling30s8.E1.2
- Q2Which of these is a transitional area between river and sea environments, and is rich in nutrients and diverse life forms?Marine ecosystemsEstuariesDeep ocean technologyUpwelling30s8.E1.2
- Q3What process transports nutrients from the ocean floor towards the surface, supporting the growth of phytoplankton?Marine ecosystemsEstuariesValue and sustainability of marine resourcesUpwelling30s8.E1.2
- Q4Which area often serves as a nursery for many marine species due to its nutrient-rich waters?UpwellingBehavior of gases in the marine environmentDeep ocean technologyEstuaries30s8.E1.2
- Q5What is a major advantage of new deep ocean technology for our understanding of the seas?Improved sunbathing conditionsCreation of new oceanic sportsFast underwater travelBetter information about life in the deep sea30s8.E1.2
- Q6What causes ocean tides?Movement of ocean currentsThe gravitational pull of the moonUnderwater earthquakesThe gravitational pull of the sun30s
- Q7Which of the following is considered the deepest part of the ocean?Bermuda TriangleMariana TrenchGulf of MexicoGreat Barrier Reef30s
- Q8Which of the following is responsible for generating most of Earth's oxygen?Ice capsForestsOceansVolcanoes30s
- Q9Which ocean zone receives the least amount of sunlight?Midnight zoneTwilight zoneSunlit zoneAbyssal zone30s
- Q10What is one of the main factors that determines the diversity of species in the intertidal zone?Amount of sunlightDepth of the oceanWater temperatureExposure to air and water30s
- Q11Which of the following is NOT a characteristic of the intertidal zone?Fluctuating tidesStable water levelsExposure to airChanging salinity30s
- Q12Which of the following best describes the neritic zone?It is a zone found in freshwater lakesIt is a zone located in the open oceanIt is a zone of the ocean that extends from the shoreline to the edge of the continental shelfIt is a zone located in the deep-sea trenches30s
- Q13Which of the following is a characteristic of the neritic zone?Low oxygen levelsAbsence of sunlightHigh biodiversityExtreme temperatures30s
- Q14Which of the following is a major threat to the neritic zone ecosystem?Pollution from land runoffPredation by deep-sea creaturesVolcanic eruptionsNatural climate change30s
- Q15Why is the photic zone important for marine ecosystems?It is the zone where most deep-sea creatures liveIt provides energy for photosynthesis and supports the growth of plants and algaeIt provides shelter for small fishIt helps regulate ocean temperature30s