Question 1

The plankton include all of the following except ________.

Accepted Answer

A)   phytoplankton
B)   small fish
C)   viruses
D)   zooplanktonE) A) and D)
F) None of the above

Question 2

Anaerobes cannot survive low-oxygen conditions.

Accepted Answer

A) True 
 B)False

Question 3

Archaea may comprise as much as ________ percent of the prokaryotes in waters deeper than .

Accepted Answer

A)   10
B)   20
C)   40
D)   80E) None of the above
F) A) and B)

Question 4

Which of the following is useless to animals leaving at great depths, due to the high pressures there?

Accepted Answer

A)   fins
B)   a swim bladder
C)   a swim bladder full of gas
D)   a swim bladder full of lipids
E)   a large mouthF) C) and D)
G) B) and C)

Question 5

Populations of individuals that are poorly adapted to their environment are likely to go extinct.

Accepted Answer

A) True 
 B)False

Question 6

Biogeochemical provinces divide the ocean into regions based on depth and substrate.

Accepted Answer

A) True 
 B)False

Question 7

In the oceans, the size and abundance of organisms are directly related.

Accepted Answer

A) True 
 B)False

Question 8

Sea cucumbers must drink seawater to set up a concentration gradient and prevent dehydration.

Accepted Answer

A) True 
 B)False

Question 9

Respiration uses carbon dioxide and produces oxygen and energy.

Accepted Answer

A) True 
 B)False

Question 10

Single-celled organisms can be found in all of the following groups except ________.

Accepted Answer

A)   Eukaryotes
B)   Prokaryotes
C)   Archaea
D)   Bacteria
E)   AnimaliaF) All of the above
G) C) and E)

Question 11

If a marine animal has body fluids that have a lower salt content than the surrounding seawater, water will pass through the animal's body tissues from the ________ to the ________ because of ________.

Accepted Answer

A)   outside; inside; electrolysis
B)   inside; outside; electrolysis
C)   outside; inside; osmosis
D)   inside; outside; osmosis
E)   None of these is correct; the salt moves, not the water.F) A) and E)
G) A) and D)

Question 12

The most common function for bioluminescence in the ocean is thought to be attraction of mates during reproduction.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following secrete gases in order to stay afloat?

Accepted Answer

A)   portuguese man-of-war
B)   chambered nautilus
C)   squid
D)   portuguese man-of-war and chambered nautilus
E)   portuguese man-of-war, chambered nautilus, and squidF) A) and B)
G) A) and E)

Question 14

If an organism looks nearly identical and shares similar lifestyle characteristics as a known species, then the organism must belong to that species.

Accepted Answer

A) True 
 B)False

Question 15

The most numerous organisms in the sea are the largest organisms.

Accepted Answer

A) True 
 B)False

Question 16

The compound that exerts a major control on the pH of seawater is ________.

Accepted Answer

A)   NO3-
B)   NH4+
C)   N2
D)   PO43-
E)   CO2F) All of the above
G) A) and E)

Question 17

Salmon spawn in seawater and Atlantic eels spawn in fresh water.

Accepted Answer

A) True 
 B)False

Question 18

About 90 percent of the ocean is remarkably uniform in temperature, ranging from ________.

Accepted Answer

A)   -10°C to 10°C
B)   -1°C to 30°C
C)   -1°C to 4°C
D)   -10°C to 30°CE) A) and B)
F) None of the above

Question 19

The ocean environmental zone having low temperature, little or no light, and great pressure is the ________ zone.

Accepted Answer

A)   neritic
B)   photic
C)   abyssal
D)   benthic
E)   littoralF) A) and E)
G) B) and E)

Exam 11: The Living Ocean

Populations of individuals that are poorly adapted to their environment are likely to go extinct.

Correct Answer
verified

Archaea may comprise as much as ________ percent of the prokaryotes in waters deeper than .

Correct Answer
verified

Anaerobes cannot survive low-oxygen conditions.

Correct Answer
verified

The compound that exerts a major control on the pH of seawater is ________.

Correct Answer
verified

The most common function for bioluminescence in the ocean is thought to be attraction of mates during reproduction.

Correct Answer
verified

The most numerous organisms in the sea are the largest organisms.

Correct Answer
verified

Biogeochemical provinces divide the ocean into regions based on depth and substrate.

Correct Answer
verified

If an organism looks nearly identical and shares similar lifestyle characteristics as a known species, then the organism must belong to that species.

Correct Answer
verified

The ocean environmental zone having low temperature, little or no light, and great pressure is the ________ zone.

Correct Answer
verified

If a marine animal has body fluids that have a lower salt content than the surrounding seawater, water will pass through the animal's body tissues from the to the because of .

Correct Answer
verified

Respiration uses carbon dioxide and produces oxygen and energy.

Correct Answer
verified

The plankton include all of the following except ________.

Correct Answer
verified

In the oceans, the size and abundance of organisms are directly related.

Correct Answer
verified

Which of the following secrete gases in order to stay afloat?

Correct Answer
verified

Which of the following is useless to animals leaving at great depths, due to the high pressures there?

Correct Answer
verified

Single-celled organisms can be found in all of the following groups except ________.

Correct Answer
verified

Sea cucumbers must drink seawater to set up a concentration gradient and prevent dehydration.

Correct Answer
verified

About 90 percent of the ocean is remarkably uniform in temperature, ranging from ________.

Correct Answer
verified

Salmon spawn in seawater and Atlantic eels spawn in fresh water.

Correct Answer
verified

Exam 11: The Living Ocean

Populations of individuals that are poorly adapted to their environment are likely to go extinct.

Correct AnswerverifiedShow Answer

Archaea may comprise as much as ________ percent of the prokaryotes in waters deeper than .

Correct AnswerverifiedShow Answer

Anaerobes cannot survive low-oxygen conditions.

Correct AnswerverifiedShow Answer

The compound that exerts a major control on the pH of seawater is ________.

Correct AnswerverifiedShow Answer

The most common function for bioluminescence in the ocean is thought to be attraction of mates during reproduction.

Correct AnswerverifiedShow Answer

The most numerous organisms in the sea are the largest organisms.

Correct AnswerverifiedShow Answer

Biogeochemical provinces divide the ocean into regions based on depth and substrate.

Correct AnswerverifiedShow Answer

If an organism looks nearly identical and shares similar lifestyle characteristics as a known species, then the organism must belong to that species.

Correct AnswerverifiedShow Answer

The ocean environmental zone having low temperature, little or no light, and great pressure is the ________ zone.

Correct AnswerverifiedShow Answer

If a marine animal has body fluids that have a lower salt content than the surrounding seawater, water will pass through the animal's body tissues from the ________ to the ________ because of ________.

Correct AnswerverifiedShow Answer

Respiration uses carbon dioxide and produces oxygen and energy.

Correct AnswerverifiedShow Answer

The plankton include all of the following except ________.

Correct AnswerverifiedShow Answer

In the oceans, the size and abundance of organisms are directly related.

Correct AnswerverifiedShow Answer

Which of the following secrete gases in order to stay afloat?

Correct AnswerverifiedShow Answer

Which of the following is useless to animals leaving at great depths, due to the high pressures there?

Correct AnswerverifiedShow Answer

Single-celled organisms can be found in all of the following groups except ________.

Correct AnswerverifiedShow Answer

Sea cucumbers must drink seawater to set up a concentration gradient and prevent dehydration.

Correct AnswerverifiedShow Answer

About 90 percent of the ocean is remarkably uniform in temperature, ranging from ________.

Correct AnswerverifiedShow Answer

Salmon spawn in seawater and Atlantic eels spawn in fresh water.

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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If a marine animal has body fluids that have a lower salt content than the surrounding seawater, water will pass through the animal's body tissues from the to the because of .

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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