Question 1

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

Accepted Answer

A)  Eukaryotes 
B)  Prokaryotes 
C)  Archaea 
D)  Bacteria 
E)  Animalia 
A)  Eukaryotes 
B)  Prokaryotes 
C)  Archaea 
D)  Bacteria 
E)  Animalia

Question 2

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. 
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.

Question 3

Anaerobes cannot survive low-oxygen conditions.

Accepted Answer

A) True 
 B)False

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 mouth 
A)  fins 
B)  a swim bladder 
C)  a swim bladder full of gas 
D)  a swim bladder full of lipids 
E)  a large mouth

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

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

Accepted Answer

A)  10 
B)  20 
C)  40 
D)  80 
A)  10 
B)  20 
C)  40 
D)  80

Question 7

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

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

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

Accepted Answer

A)  NO3- 
B)  NH4+ 
C)  N2 
D)  PO43- 
E)  CO2 
A)  NO3- 
B)  NH4+ 
C)  N2 
D)  PO43- 
E)  CO2

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

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°C 
A)  -10°C to 10°C 
B)  -1°C to 30°C 
C)  -1°C to 4°C 
D)  -10°C to 30°C

Question 13

The plankton include all of the following except ________.

Accepted Answer

A)  phytoplankton 
B)  small fish 
C)  viruses 
D)  zooplankton 
A)  phytoplankton 
B)  small fish 
C)  viruses 
D)  zooplankton

Question 14

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 15

Respiration uses carbon dioxide and produces oxygen and energy.

Accepted Answer

A) True 
 B)False

Question 16

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 17

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 squid 
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 squid

Question 18

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)  littoral 
A)  neritic 
B)  photic 
C)  abyssal 
D)  benthic 
E)  littoral

Question 19

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

Accepted Answer

A) True 
 B)False

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

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 .

Anaerobes cannot survive low-oxygen conditions.

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

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

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

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

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

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

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

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

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

The plankton include all of the following except ________.

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

Respiration uses carbon dioxide and produces oxygen and energy.

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

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

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

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

The Water Planet

Earth Structure and Plate Tectonics

The Sea Floor and Its Sediments

The Physical Properties of Water

The Chemistry of Seawater

The Atmosphere and the Oceans

Ocean Structure and Circulation

The Waves

The Tides

Coasts, Beaches, and Estuaries

The Plankton, Productivity, and Food Webs

The Nekton: Swimmers of the Sea

The Benthos: Living on the Sea Floor

Environmental Issues

The Oceans and Climate Disruption

Filters

Exam 11: The Living Ocean

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

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 ________.

Anaerobes cannot survive low-oxygen conditions.

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

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

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

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

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

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

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

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

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

The plankton include all of the following except ________.

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

Respiration uses carbon dioxide and produces oxygen and energy.

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

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

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

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

The Water Planet

Earth Structure and Plate Tectonics

The Sea Floor and Its Sediments

The Physical Properties of Water

The Chemistry of Seawater

The Atmosphere and the Oceans

Ocean Structure and Circulation

The Waves

The Tides

Coasts, Beaches, and Estuaries

The Plankton, Productivity, and Food Webs

The Nekton: Swimmers of the Sea

The Benthos: Living on the Sea Floor

Environmental Issues

The Oceans and Climate Disruption

Filters

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 .