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Marine Science B. Rife Ch. 2 The Sea Floor Outline Define habitats, describe several marine habitats. Describe the four large ocean basins. Define world ocean Define Southern Ocean Define density, mass, volume Describe the structure of the earth Describe basaltic lithosphere Describe granitic lithosphere Describe the difference between the continental drift theory and plate tectonics theory Define mid-ocean ridge, Mid-Atlantic Ridge, East Pacific Rise, transform faults Define trenches, rift Describe sediment distribution on the ocean bottom Define paleomagnetism Describe how sea-floor spreading explains the plate tectonics theory Define lithosphere, asthenosphere, lithospheric plates Define Subduction; Subduction zones, include type of plates involved; island arcs Define shear boundary, fault Define Panthalassa, Laurasia, Gondwana, Pangaea Define lithogenous sediment, weathering, erosion, red clay Define biogenous sediment, diatoms, radiolarians, forams, calcium carbonate Describe calcareous ooze, siliceous ooze Define carbon dating, isotopes Define ice ages, interglacial periods; which is taking place now Describe and illustrate continental margins, continental shelf, continental slope, continental rise, submarine canyons, shelf break, deep-sea fan, abyssal plain, seamounts, guyots Define and give an example of an active margin, passive margin Define central rift valley, hydrothermal vents Describe and give an example of an oceanic hot spot Answer with paragraphs Critical Thinking Qs 3 & 4
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