Ocean 115 - Introduction to Oceanography » Fall 2021 » Chapter 2 Plate Tectonics

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Question #1
Which of the following lines of evidence did Alfred Wegener use to support the concept of drifting continents?
A.   The composition of meteors from outer space. Evidence of glaciers in areas that are now tropical. The pattern of geologically similar mountain belts on different continents.
B.   Evidence of glaciers in areas that are now tropical. The pattern of geologically similar mountain belts on different continents. The distribution of fossils of various species. The way the shapes of the continents fit together like pieces of a jigsaw puzzle
C.   The way the shapes of the continents fit together like pieces of a jigsaw puzzle. The composition of meteors from outer space. The pattern of geologically similar mountain belts on different continents.
D.   The composition of meteors from outer space. The pattern of geologically similar mountain belts on different continents. The distribution of fossils of various species.
Question #2
What piece of evidence supports Wegener's hypothesis of continental drift?
A.   Calculations of tidal forces show that this mechanism is sufficient to cause landmasses to move.
B.   Records of glacial masses in the tropics indicate a worldwide ice age.
C.   Modern-day species that evolved in isolation share a common ancestor.
D.   Rocks of varying ages found in mountain chains separated by the Atlantic Ocean indicate that they formed at different times in history.
E.   Coal deposits that form in tropical swamps are absent from continents near the poles.
Question #3
What part of the continent(s) create the best fit when trying to piece them back together like a puzzle into the supercontinent Pangaea?
A.   Shoreline
B.   Continental margin
C.   Continental shelf
D.   Continental slope
E.   Continental rise
Question #4
The fossil remains of Mesosaurus were found only on which two landmasses?
A.   South America and Africa
B.   Africa and Australia
C.   North America and Africa
D.   Africa and Asia
E.   North America and South America
Question #5
The Mesosaurus lived about ________ million years ago.
A.   200
B.   350
C.   250
D.   300
E.   400
Question #6
Where are the only two places in the world where continental ice sheets occur today?
A.   Greenland and North America
B.   Greenland and Antarctica
C.   Antarctica and Asia
D.   Antarctica and North America
E.   Asia and Greenland
Question #7
About 300 million years ago, the Appalachian Mountains in North America were matched up with the identical rocks from which area?
A.   Africa
B.   Australia
C.   Europe
D.   South America
Question #8
What was the name for the supercontinent about 200 million years ago?
A.   Pangaea
B.   Laurasia
C.   Rodinia
D.   Gondwana
Question #9
Who was the first person to advance the idea of mobile continents in 1912?
A.   Harry Hess
B.   Alfred Wegener
C.   Christopher Columbus
D.   Sir Edward Bullard
Question #10
Around 300 million years ago when the continents were assembled together, which landmass did not touch North America?
A.   Greenland
B.   Australia
C.   Africa
D.   Europe
E.   South America
Question #11
What was the one line of evidence that Alfred Wegner could not explain with continental drift?
A.   Glacial evidence
B.   Continents fitting together like a puzzle piece
C.   The mechanism for the movement of the plates
D.   Fossil evidence
E.   Mountain belts
Question #12
The first person to advance the idea of mobile continents or continental drift was:
A.   Frederick Vine.
B.   Alfred Wegener.
C.   John Tuzo Wilson.
D.   Harry Hess.
E.   Drummond Matthews.
Question #13
Which of the following was not used as evidence for continental drift?
A.   Matching sequences of rocks
B.   The fit of the continents
C.   Past glacial activity
D.   Paleomagnetic reversals
E.   The distribution of organisms
Question #14
Fossils of ancient tropical plants are currently found near the poles because the:
A.   entire earth had warm, humid conditions at the time the plants were living.
B.   plants lived in the tropics, but landmasses have drifted to current locations.
C.   plants probably were tolerant of both tropical and polar conditions.
D.   plants were distributed to current locations by ancient glacial ice sheets.
E.   poles were at the equator at times in the geologic past.
Question #15
All continents fit together with the least number of overlaps and gaps when the continents are matched along ________.
A.   oceanic trenches in subduction zones
B.   current shorelines
C.   edges of the deep sea floor
D.   the edge of the continental shelf
E.   edges at around 2,000 meters depth
Question #16
Climate distribution on Earth is primarily controlled by:
A.   plants and animals that live in an area.
B.   latitude.
C.   longitude.
D.   Earth's geologic history.
E.   presence or absence of glacial debris.
Question #17
Wegener used which of the following to provide evidence for continental drift?
A.   Shape of continental margins
B.   Magnetic pole reversals
C.   Locations of active volcanoes
D.   Earthquake distribution
E.   Seafloor magnetic patterns
Question #18
Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern.
A.   Frederick Vine
B.   Stanley Miller
C.   Harry Hess
D.   Alfred Wegener
E.   Drummond Matthews
Question #19
Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern.
A.   Panthalassia
B.   Gondwanaland
C.   Pangaea
D.   Panamerica
E.   Tethys Sea
Question #20
Alfred Wegener's continental drift hypothesis received much hostile criticism and ridicule from the scientific community because of which of the following?
A.   There was no correlation of rocks found in adjacent positions on matching continents
B.   There is no evidence of past glacial activity in areas that are now tropical.
C.   His correlation of fossils was false; they were different species.
D.   The mechanism he proposed for the movement of the continents.
Question #21
Which of the following fossils was used as data to help reconstruct Pangea because it was a reptile found in South America and Africa?
A.   Lepidodendron
B.   Glossopteris
C.   Mesosauras
D.   Archaeopteris

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