Geology 2000 Test Questions and Answers
A formation is by definition the same age everywhere - Answer-False
An outcrop reveals flat-lying sediments on top of an erosion surface and tilted sedimentary layers beneath. This is an example of a(n): - Answer-angular unconformity
Which of the foll...
A formation is by definition the same age everywhere - Answer-False
An outcrop reveals flat-lying sediments on top of an erosion surface and tilted
sedimentary layers beneath. This is an example of a(n): - Answer-angular unconformity
Which of the following is necessary for fossilization to occur? - Answer-possession of
hard parts and rapid burial
Which of these is the best definition of 'fossil'? - Answer-any trace of pre-existing life
Name for a bottom-dwelling organism that burrows into the substrate: - Answer-benthic
infaunal
Which of these defines a cosmopolitan species? - Answer-an organism found in
widespread environments
Which of these is the best definition of macroevolution? - Answer-evolution that results
in new genera or families
Which of the following is an example of an actual fossil? - Answer-bioturbated sediment
layers
Which of the following methods of preservation involves the deposition of a new mineral
in place of the original shell material? - Answer-replacement
A guide fossil has a geographic range and a geologic time range - Answer-wide, narrow
The fossil record of life on earth is virtually complete: - Answer-true
A geologic age range is: - Answer-the interval between the first and last appearance of
a speices
In support of his theory of natural selection, Darwin relied heavily on: - Answer-his own
observations of living species
Species are biologically defined as organisms: - Answer-capable of interbreeding to
produce fertile offspring
, The primary weakness of the Darwinian model of natural selection is that it: - Answer-
cannot explain the appearance of new traits
Recombination of DNA in reproduction provides for - Answer-increased variability in
populations
The model of evolutionary change that suggests that evolution happens in a slow
branching matter with few sudden increases in diversity. - Answer-phyletic gradualism
Which of the following would make the best guide fossil? - Answer-a planktonic species
that appeared 10 million years ago and was extinct by 8 m.y.
Example of a primary consumer in an ecosystem: - Answer-grazing cows
Which of the following terms identifies species which float? - Answer-planktonic
Which of these environments would be found at the shoreline? - Answer-littoral
Which word describes a species that would be found in a specific environment with very
limited geographic distribution? - Answer-endemic
What kind of fold is shown in this picture? - Answer-syncline
Note the offset curb. What kind of fault movement produced this? - Answer-right lateral
What kind of fault is shown in this canyon wall in Death Valley? - Answer-normal
What kind of plate boundary produces a rift valley or basin and range topography? -
Answer-divergent
What kind of plate boundary produces basaltic volcanism? - Answer-divergent
What kind of plate boundary produces faults with lateral (strike-slip) motion? - Answer-
transform
What plate boundary produces trenches and subduction zones? - Answer-convergent
California's Sierra Nevada originated as a(n): - Answer-wrong answer
accretionary wedge
California's Great Valley originated as a(n): - Answer-forearc basin
The Hawaiian Islands formed along what kind of plate boundary? - Answer-None, it is a
hot spot
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