World Ocean #1
Which of these does not fit in, Cook, Cosmos, Darwin, Herodotus, or Mercator
Darwin does not fit in
Which of the following is characteristic of oceanic-continental convergent plate boundaries?
andesitic volcanoes
Passive continental margins are characterized by all of the following except:
deep sea trenches
Old lithosphere is destroyed in association with:
deep-sea trenches
Fish first appeared:
during the ordovician period
Heterotrophic organisms manufacture their own food using sunlight energy.
false
Mid-ocean ridges are rises that occupy a small portion of the deep ocean basin, only around 10%.
false
Production of the first free oxygen in the atmosphere caused organisms living at that time to flourish.
false
The mantle could not have produced enough water to fill the oceans.
false
The oldest rocks are located at mid-ocean ridges.
false
Moving from oceanic ridge to oceanic trench, the age of the lithosphere:
increases in proportion to the distance.
The San Andreas Fault:
is a continental transform fault.
Differences in height between continental crust and oceanic crust are explained by:
isostasy.
New lithosphere is produced at which feature?:
mid-ocean ridges
Choose the one option that does not fit the pattern. hydrothermal vents, rift valley, oceanic ridge, oceanic trench, or spreading center
oceanic trench
The seafloor magnetic pattern is best described as
parallel to and symmetric about ocean ridges.
Choose the one option that does not fit the pattern abyssal hill, guyot, ridge crest, sea knoll, or tablemount
ridge crest
All of the following provide evidence for continental drift except:
seafloor magnetic pattern.
Abyssal hills are only visible in the Pacific Ocean because:
sediment has covered those found in the other ocean basins.
The correct order of marine provinces from the coast to the mid-ocean ridge is:
shelf, slope, rise, abyssal plain.
All of the following are TRUE concerning the deepest part of the ocean except:
the depth of the trench is estimated at 12,500 meters.
Fast-moving spreading ridges tend to be more gently sloped than slow-moving ridges.
true
Oceans with passive margins have continental slopes with more gradual slopes than oceans with active margins.
true
The broadest continental shelves occur in the Arctic Ocean.
true
When the Earth cooled, the layers of the earth separated based on density differences
true
Underwater avalanches of muddy water mixed with rocks and debris are:
turbidity currents.
Choose the one option that does not fit the pattern. Aleutian Islands, Andes Mountains, Hawaiian Islands, Japan, or Mariana Trench
Hawaiian Islands
Which of these does not fit in Devonian, Jurassic, Ordovician, Permian, or Silurian
Jurassic does not fit in
Characteristics of active continental margins include all of the following except:
broad continental shelf.
Continental rises are formed:
by many deep sea fans.
Earth's primordial atmosphere most likely included:
carbon dioxide, water vapor, sulfur dioxide, and methane.
All of the following are features associated with active ocean margins except:
continental rise
All continents fit together with the least number of overlaps and gaps when the continents are matched along:
contours at around 2000 meters in depth
