Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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Ocean salinity is usually expressed in ____.
a. | charts | c. | parts per thousand | b. | chemical formulas | d. | parts per
billion |
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2.
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What is the principal source of dissolved substances in the oceans?
a. | weathering | c. | outgassing | b. | infiltration | d. | evaporation |
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3.
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The highest salinity would be found in which of the following areas?
a. | an area with high rates of precipitation | b. | an area with high
rates of evaporation | c. | an area with plenty of
runoff | d. | all of the above |
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4.
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Which of the following is NOT a zone in the three-layered structure of the ocean
relating to density?
a. | surface mixed zone | c. | transition zone | b. | deep zone | d. | intertidal zone |
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5.
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Which of the following is a type of nekton?
a. | shark | c. | bacteria | b. | zooplankton | d. | sea star |
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6.
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Which ocean zone is characterized by high water pressure, low temperatures, and
no sunlight?
a. | intertidal zone | c. | abyssal zone | b. | pelagic zone | d. | neritic zone |
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7.
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Which ocean zone does sunlight penetrate?
a. | neritic zone | c. | photic zone | b. | aphotic zone | d. | abyssal zone |
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8.
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Which animal would have the greatest chance of survival?
a. | one that fed through a food web | b. | one that fed through a food
chain | c. | one that ate a wide variety of prey | d. | both a and c |
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9.
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Which ocean environment is characterized by breaking waves?
a. | neritic | c. | intertidal | b. | benthic | d. | abyssal |
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10.
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Nearly all ocean life is regulated by the
a. | life processes of plants. | c. | addition of substances to ocean
water. | b. | type of sediment on the ocean floor. | d. | abundance of swimming ocean
animals. |
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