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Geology 102 Final Exam
Part 3
50
Geology
Undergraduate 1
05/02/2010

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Term
The fossilization process involving a molecular exchange of the original substance by inorganic matter of differing composition is
a. carbonization.
b. replacement.
c. meiosis.
d. mutation.
Definition
b.    replacement.
Term
Snow that is falling in the Rocky Mountains is
a. white
b. blue
c. green
Definition
a.    white
Term
Gradual progressive change is referred to as
a. punctuated equilibrium.
b. peripheral isolation.
c. mutation.
d. phyletic gradualism.
Definition
d.  phyletic gradualism.
Term
Which taxonomy lists—from largest to smallest—is correct?
a. order, species, family, genus, phylum, kingdom, class
b. species, genus, family, order, class, phylum, kingdom
c. kingdom, phylum, class, order, family, genus, species
d. species, order, genus, phylum, class, family, kingdom
Definition
c.  kingdom, phylum, class, order, family, genus, species
Term
Marine and transitional environments are more favorable for fossil preservation than continental environments because the rate of sedimentation is generally greater.
a. true
b. false
Definition
a.    true
Term
Preservation of fossils of once living organisms is not promoted by
a. hard parts such as shells, bones, and teeth.
b. rapid burial in sediment.
c. small size of the organism.
d. chemical and biological destruction of the dead organism.
Definition
d. chemical and biological destruction of the dead organism.
Term
A type of zone that is recognized by the overlapping ranges of two or more taxa is called
a. concurrent range zone.
b. assemblage zone.
c. range zone.
d. endemic range.
Definition
a.  concurrent range zone.
Term
Fossils that are abundant, widely dispersed and derived from organisms that lived during a relatively short span of geologic time are
a. reworked fossils.
b. index fossils.
c. haploid.
d. trace fossils.
Definition
b.  index fossils.
Term
Different species do not commonly (but not ever) interbreed under natural conditions.
a. true
b. false
Definition
 a.    true
Term
What molecule caries chemically coded information from generation to generation, providing instructions for growth, development, and functioning?
a. carbon dioxide (CO2)
b calcium carbonate (CaCO3)
c. deoxyribonucleic acid (DNA)
Definition
 c.    deoxyribonucleic acid (DNA)
Term
What is the process of cell division that produces new diploid cells with exact replicas of the chromosomal components of the parent cells?
a. meiosis
b. fertilization
c. mutation
d. mitosis
Definition
d.  mitosis
Term
Diploid cells contain paired chromosomes.
a. true
b. false
Definition
a.    true
Term
Meiosis is division of cells to form gametes or sex cells (haploid cells), with half of the chromosomal set of the parent cell; occurs in a two-step process, producing four haploid cells.
a. true
b. false
Definition
a.    true
Term
Below the CCD water is colder and CaCO3 dissolves, clay or siliceous sediments are deposited. At what depth is this?

a. 4000 - 5000
b. 2000 - 3000
c. 6000 - 7000
d. 1000 - 2000
Definition
a.      4000 - 5000
Term
The most extensive exposures of Precambrian rocks are in geologically stable regions of continents called
a. cratons.
b. platforms.
c. Precambrian provinces.
d. shields.
Definition
d.    shields.
Term
These organisms reproduce sexually, with a union of egg and sperm to form the nucleus of a single cell.
a. lithotrophs c. autotrophs
b. eukaryotes d. heterotrophs
Definition
b.  eukaryotes
Term
Estuaries most commonly contain
A. normal seawater
B. fresh water
C. brackish water (mixture of seawater and fresh water).
Definition
C.    brackish water (mixture of seawater and fresh water).
Term
On Friday March 5th, 2010, it was unanimously agreed by scientist that what killed the dinosaurs?
A. massive volcanoes
B. gigantic flood
C. giant asteroid
D. I don’t believe the dinosaurs existed
Definition
D.    I don’t believe the dinosaurs existed
Term
In what city did the massive volcanoes, giant asteroid, or ice age occurred that led to the death of dinosaurs?
A. Yucatan
B. Mexico City
C. Tijuana
Definition
A.     Yucatan
Term
Red color in sedimentary rocks generally indicates a
A. high oxygen environment.
B. low oxygen environment.
Definition
A.    high oxygen environment.
Term
A coarse-grained sediment is generally a product of a
A. low-energy depositional environment.
B. high-energy depositional environment.
Definition
A.    low-energy depositional environment.
Term
A well sorted clastic sedimentary deposit is characterized by grains that have a
A. a small range of sizes.
B. large range of sizes.
Definition
A.    a small range of sizes.
Term
In general, the farther sediment is transported from its source it contains
A. less quartz and becomes less rounded.
B. more feldspar and becomes less rounded.
C. contains less quartz and becomes more rounded.
D. contains more quartz and becomes more rounded.
Definition
C.    contains less quartz and becomes more rounded.
Term
Much lime mud forms from disintegration of calcareous algae.
A. false
B. true
Definition
B.    true
Term
Most of the deserts of the world are found in what latitudes
A. 30 0 N – 40 0 S of equator
B. 40 0 N – 40 0 S of equator
C. 50 0 N – 50 0 S of equator
Definition
A.    30 0 N – 40 0 S of equator
Term
Clays and shales generally indicate a ____________energy depositional environment.
A. low
B. high
Definition
A.    low
Term
________ sands tends to have higher porosity and permeability
A. well sorted
B. moderately sorted
C. poorly sorted
Definition
A.    well sorted
Term
One of these is not a form of sedimentary cement
A. silica
B. basalt
C. calcite
Definition
B.    basalt
Term
Eaolian environments is dominated by what kinds of sediments
A. sand and silt
B. conglomerate and granite
C. sand and limestone
Definition
A.    sand and silt
Term
One of these is not a form of transitional depositional environments
A. fluvial
B. estuary
C. lagoon
Definition
A.    fluvial
Term
One of these is not a form of sedimentary structure that form after deposition
A. footprints
B. cross bedding
C. mudcracks
Definition
B.    cross bedding
Term
Sediments with well rounded grains suggest
A. short distance of transportation
B. long distance of transportation
C. moderately distance of transportation
Definition
B.    long distance of transportation
Term
Stratification is the most obvious feature of sedimentary rocks. The layers are visible because of differences in all but one
A. color
B. gravity
C. texture
Definition
B.    gravity
Term
Glacial sediment deposits (till) are generally
A. poorly sorted.
B. well sorted
Definition
A.    poorly sorted.
Term
An arrangement of beds or laminations in which one set of layers is inclined relative to the others described what form of sedimentary structure
A. ripple marks
B. graded bed
C. cross-bedding
Definition
C.    cross-bedding
Term
At about 0.7 billion years ago, one of these is not among the first body fossils.
A. worms
B. jellyfish
C. crabs
Definition
C.    crabs
Term
Planktonic foraminifera vary in size and coiling direction with temperature
A. true
B. false
Definition
A.    true
Term
Which one of these statements is not true?
A. high latitudes have low species diversity
B. low latitudes have high species diversity
C. high latitudes have high species diversity
Definition
C.    high latitudes have high species diversity
Term
The way in which organisms lives; its role or lifestyles defines a
A. niche
B. community
C. habitat
Definition
A.    niche
Term
One of these is not a characteristic of an index fossil.
A. abundant
B. short geologic range
C. large size
Definition
C.    large size
Term
One of these is not a criterion used in naming a formation.
A. lithologically homogeneous
B. traceable from exposure to exposure
C. most be visible at all locations
Definition
C.    most be visible at all locations
Term
Which of these groups is listed in an increasing order of lithostratigraphic units.
A. bed – member – formation – group
B. group – member – formation – bed
C. formation – member – bed – group
Definition
A.    bed – member – formation – group
Term
The characteristics of a particular rock unit, which is used to interpret the depositional environment defines
A. formation
B. facies
C. transgression
Definition
B.    facies
Term
The seaward movement of the ocean defines a
A. regression
B. transgression
C. facies change
Definition
A.    regression
Term
The landward movement of the ocean defines a
A. regression
B. transgression
C. facies change
Definition
B.    transgression
Term
One of these coal minerals swells when wet
A. kaolinites
B. smectites
C. illites
Definition
B.    smectites
Term
One of the rock sequences from bottom to top characterize transgressive sequence
A. limestone – shale – sandstone
B. sandstone – shale – limestone
C. shale – sandstone – limestone
Definition
A.    limestone – shale – sandstone
Term
Which of these events is not responsible for marine transgression?
A. melting of polar ice cap
B. localized sinking
C. formation of glaciers
Definition
C.    formation of glaciers
Term
A map that shows the thickness of formation or other units in an area is called
A. structure map
B. geologic map
C. isopach map
Definition
C.    isopach map
Term
The answer to this question is “A.”
Definition
A
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