_c_ 1. A nautical trade route for commerce between Europe and Asia made
the arduous overland journey nearly abandoned. The development of this
nautical route was largely necessitated by the transference of power in
Constantinople to the Turks in
Coral Reef Communities
typically form in areas of high wave energy
corals account for ~ of the biomass in reef communities
an array of encrusting, burrowing, boring, consuming,
and producing organisms
>1,000,000 species inhabit
_c_ 152. Darwin's theory of natural selection includes all the following
points except for _.
a. the environment dictates whether a specific adaptation will succeed and
b. favorable traits get reproduced and selected
c. an organism ad
_T_111. The place where ocean meets land is usually called the
shore. Coast refers to the larger zone affected by the processes that
occur at this boundary.
_F_112. Depositional coasts are new and relatively young coasts in
which the dominan
_F_131. Planktonic organisms cannot swim, they can only drift.
_T_132. Zooplanktons are heterotrophs which depend on autotrophs
_T_133. Diatoms and dinoflagellates are both single-celled
They have an
_T_101. The node near the center of an ocean basin is called an point
or a no-tide point in the ocean. The tidal crest rotates once around
amphidromic points per tidal cycle. Tidal waves move counterclockwise around the amphidromic point in t
202. A group of animals that shares morphology, complexity, and
developmental history is
taxonomically referred to as a _phylum_.
_c_ 203. All members of the Class Chondrichthyes have an internal
skeleton made of _.
a. calcium phosphate
_c_ 1. The _ form of marine community distribution is the most common
one found in nature.
d. a & b
_d_ 2. Which of the following could be a member of a rocky intertidal
a. purple sea urchin
_T_161. Marine resources are subject to the economic laws of supply
and demand. Biological resources are living animals and plants
collected for human use and animal feed. Physical resources result
from the deposition, precipitation, or accum
_F_171. Many different synthetic organic chemicals enter the ocean
and become incorporated into organisms. Ingestion of even small
amounts of these compounds can cause illness or death. One synthetic
organic chemical, dioxin has been detected
141. Some animals are capable of synthesizing their own food, the simplest
of all marine animals, the sponge, for example. FALSE
142. Suspension feeders strain plankton and tiny organic food particles from
their surroundings. TRUE
121. The process of photosynthesis requires carbon dioxide, water, a catalyst such as chlorophyll
and light energy. Glucose (a simple carbohydrate) and oxygen are end products. TRUE
122. Chemosynthesis does not require light to synthesize carbo
152. Darwin's theory of natural selection includes all the following points
except for _.
a. the environment dictates whether a specific adaptation will succeed
b. favorable traits get reproduced and selected
c. an organism adapts to its spe
CHAPTER 14 -MULTIPLE CHOICE
177. The most common marine angiosperms (vascular plants) include _.
4. all of the above
178. Compensation depth _.
1. Occurs at the base of the euphotic zone
2. occurs when respi
_T_ 81. The slow circulation of water at great depth is driven by
density differences rather than by wind energy.
_T_ 82. The net motion of water down to about 100 meter, after
allowance for the summed effects of Ekman spiral, is known as Ekm
_T_ 71. Rather than making a continuous loop in each hemisphere,
air rising from the equator moves poleward and is gradually deflected;
it turns to the right in the northern hemisphere and to the left in the
southern hemisphere. This eastward
_T_ 1. The ocean holds more than 97% of the water on or near
Earth's surface, whereas, the Earth's fresh water sources (nearsurface water, glaciers, lakes and rivers, and atmospheric water)
comprise less than 3%.
_F_ 2. The average land elevation is 4 tim
25. Buoyancy is the ability of an object to float in a fluid by
displacing a volume of that fluid equal in weight to the floating
object's own weight. The buoyancy of an object depends on only its
own density, regardless of the type of fluid it is in.
c_ 12. How many million square kilometers does the ocean cover on
a. 613 million square kilometers
b. 316 million square kilometers
c. 361 million square kilometers
d. none of the above is correct
_a_ 13. More than _% of water on or near
_ 24. Who stressed the interdependence of military and commercial
control of seaborne commerce, and the ability of safe lines of
transportation and communication to influence the outcomes of
conflicts? His book had profound consequences for the developmen
54. Inge Lehmann, the chief of the Royal Danish Geodetic Institute,
lived to be 105 years old. During her middle years she discovered
a. subduction zones and spreading centers
b. that animals are sensitive to seismic activity
c. that Earth's inner core is
_F_ 76. Of the two large atmospheric circulation cells in each
hemisphere, the Hadley cell extends from the
equator to 45 degrees, while the Polar cell extends from 45
degrees to the pole.
_T_ 77. The Northern Hemisphere contains much less ocean
_F_ 87. During an ENSO event, the Peru current strengthens
and upwelling increases bringing water rich in
nutrients to the surface along the west coast of South
America. This results in an increase in
_T_ 88. After an ENSO eve
111. The place where ocean meets land is usually called the
coast. Shore refers to the larger zone affected
by the processes that occur at this boundary.
_T_112. Erosional coasts are new and relatively young
coasts in which the dominant processes are t
_d_ 67. Which one of the following is a process which occurs when
a fluid or semi-solid is heated?
c. Fault rupturing
d. a & b
e. all of the above
_b_ 68. Slow-flowing circuits of material within the mantle are
known as _.
Heat and Density
energy produced by the random vibration of
atoms or molecules
GENERAL OCEANOGRAPHY - TEST 2 - MULTIPLE CHOICE QUESTIONS
1) The instrument that emits a high-frequency sound beam to measure the depth of the ocean
developed in the 1950s is the _.
C) precision-depth recorder (PDR)
_c_ 26. It is theorized that the Moon was formed about 4.6 billion years ago
by _ according to rock evidence obtained during Apollo space missions.
a. a passing asteroid that was pulled into gravitational orbit around the Earth
b. a massive inte
_e_ 78. What is true about passive and active margins?
a. Passive margins exist extensively along the Pacific Rim whereas
active margins are along the Atlantic Rim.
b. Active margins have much volcanic and seismic activity while
51. The etymological history of the term isostasy contains the Greek prefix "isos"
_c_ 52. Inge Lehmann, the chief of the Royal Danish Geodetic Institute discovered
_during her middle years.
a. subduction zones and spreading cen