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ESC-1000 - Exam 5
Final Exam (1-50) (You better name your first born after me)
Terms in this set (50)
What feature is number 1 of the above image? (https://images.slideplayer.com/31/9789374/slides/slide_29.jpg)
______ was the last period of the Paleozoic Era. At its end, 90 percent of all life went extinct.
Which of the following would cause salinity in the ocean to increase?
Formation of glaciers and sea ice
Approximately 86% of salt in sea water is composed of these two ions _____________ and _______.
sodium and chloride
The _____ epoch in the late Cenozoic is characterized by a series of ice ages?
These animals first appeared about 235 million years ago, and dominated life on land throughout the Mesozoic Era.
Which of the following statements is true?
(wrong) Fault A is younger than Fault B.
Dike B is older than the batholith.
(?) The sandstone is younger than Dike A.
Dike A is younger than the batholith.
An atom of an element with a slightly different atomic mass. An example would be carbon-14.
The _________ represents a layer of rapid change of salinity with depth in the ocean.
This gyre includes the Gulf Stream, which brings warm water from the Caribbean to northern Europe.
Why is the oceanic lithosphere being subducted? (https://images.slideplayer.com/31/9789374/slides/slide_29.jpg)
Oceanic lithosphere is denser than the continental lithosphere.
This person, a Scottish farmer and physician, founded the modern study of geology.
Since the 1920s, this technology has been used to map the ocean floors.
In the figure above, inclusions of unit F are found incorporated into igneous rock G. What do these inclusions tell us? (In the following geologic cross section, units A,B,C,D,E, and F are sedimentary rocks. Unit G is a granite)
(wrong) Unit G is older than F.
Unit F is older than G.
(?) Both units are the same age.
None of the above.
-> (all of the above)
are steep-sided features cut into the continental slope.
are seaward extensions of ancient river valleys.
are eroded by turbidity currents.
He determined the age of the Earth using lead isotopes in meteorites. He also worked to have lead removed from gasoline.
These environments formed over much of North America in the late Paleozoic Era. These environments also formed thick coal deposits.
The oceans and seas cover approximately __________ percent of the Earth's surface.
This group includes all the carnivorous dinosaurs such as T. rex and Velociraptor.
What type of continental margin is shown in the above image? (https://images.slideplayer.com/31/9789374/slides/slide_29.jpg)
In the figure, the shale is younger than the conglomerate, which is younger than the sandstone. Which principle or law does this represent?
Law of superposition
In addition to being called "the Age of Mammals", the Cenozoic Era is sometimes called
the Age of Flowering Plants
In radiometric dating, half-life refers to
The time it takes for 50 percent of the parent element to decay into the daughter element
This mineral is the most abundant salt that results from the evaporation of seawater.
These currents are shallow, wind-driven ocean currents.
The amount of dissolved solids (salts) in the ocean is called ___.
Which of the following is NOT a trait shared by all dinosaurs?
Quadrapedal or four-legged stance
Mapping of the ocean floor is called ___.
Paleontologists determined dinosaurs had an erect stance like mammals based on
A rapid diversification of life that occurred about 540 million years ago.
She discovered radioactivity and the elements radium and polonium for which she won two Nobel Prizes in science.
The proper sequence, from oldest to youngest, of periods in the Mesozoic Era.
Triassic, Jurassic, Cretaceous
What is the most likely scenario for oceans from the worldwide melting of glaciers as a result of climate change?
Decrease salinity and rising sea levels
Relative age dating
(?) is used to determine the actual age of rocks in years before present.
(wrong) uses the Law of Superposition to determine the age of rocks.
determines the sequence of events from youngest to oldest.
can only be used on fossils older than 50 million years.
This geological theory states that the Earth's surface was shaped by devastating events. Original proponents used it to support the idea of a world-wide flood.
These features, which coincide with divergent plate boundaries, extend about 43,000 miles along the sea floor.
What type of feature is number 3 in the image above? (https://slideplayer.com/slide/13147471/79/images/20/Features+of+a+passive+continental+margin.jpg)
These currents are driven by density differences in seawater caused by changes in salinity and temperature.
In addition to a warming climate, what is thought to be the primary cause of the extinction of large mammals like woolly rhinos and ground sloths at the end of the Ice Age 11,000 years ago?
One liter of seawater contains about _______ grams of salt.
These were large, elephant-like mammals that roamed Europe, Asia, and North America during the Pleistocene.
This group of dinosaurs had a bird-like hip.
This mountain range in eastern North America formed from the collision of continents that created Pangaea in the Paleozoic Era.
Which law or principle would be most useful to determine the relative ages of Dike A, Dike B, and the batholiths?
Principle of cross-cutting relationships
What is the best explanation for the formation of the above figure?
Units F - C were deposited horizontally, tilted during mountain building and eroded prior to deposition of units A and B.
The Law of Superposition states that
in a sequence of sedimentary rocks, the oldest layer is on the bottom
A fossil _____.
-> (all the above)
is any trace or remains or past life.
aids in the interpretation of the geologic past.
is useful in correlating rocks.
During this time in the early Cenozoic Era, global temperatures were as much as 12 degrees C warmer than at present.
Paleocene-Eocene Thermal Maximum
This ocean is the largest and deepest ocean.
This large mountain range in Asia formed during the Cenozoic Era, possibly causing a general cooling trend in Earth's climate.
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