Question 1

Marine mammals use echolocation to detect objects. For echolocation to work, marine mammals must be able to

Accepted Answer

A)  generate rapidly produced clicks of short duration. 
B)  detect faint echoes as their clicks reflect back from objects. 
C)  screen out unrelated loud noises in the sea. 
D)  evaluate the time and direction of return sounds. 
E)  All of these are correct. 
A)  generate rapidly produced clicks of short duration. 
B)  detect faint echoes as their clicks reflect back from objects. 
C)  screen out unrelated loud noises in the sea. 
D)  evaluate the time and direction of return sounds. 
E)  All of these are correct.

Question 2

Marine mammals are able to maintain their own body temperature internally.

Accepted Answer

A) True 
 B)False

Question 3

The only marine lizard that is a member of the nekton is the marine iguana found in the Gala'pagos Islands.

Accepted Answer

A) True 
 B)False

Question 4

The nekton only include vertebrates such as fish and whales.

Accepted Answer

A) True 
 B)False

Question 5

What percentage of birds are marine species?

Accepted Answer

A)  3% 
B)  10% 
C)  22% 
D)  27% 
E)  30% 
A)  3% 
B)  10% 
C)  22% 
D)  27% 
E)  30%

Question 6

Birds are homeotherms, meaning they maintain a constant body temperature.

Accepted Answer

A) True 
 B)False

Question 7

The most numerous organisms in the sea are fish.

Accepted Answer

A) True 
 B)False

Question 8

The smallest marine mammal is a

Accepted Answer

A)  seal 
B)  fur seal 
C)  sea lion 
D)  sea otter 
E)  dugong 
A)  seal 
B)  fur seal 
C)  sea lion 
D)  sea otter 
E)  dugong

Question 9

The only herbivorous marine mammal is a

Accepted Answer

A)  seal. 
B)  sea lion. 
C)  manatee. 
D)  grey whale 
E)  sea otter. 
A)  seal. 
B)  sea lion. 
C)  manatee. 
D)  grey whale 
E)  sea otter.

Question 10

The largest animals in the world are the

Accepted Answer

A)  sperm whales. 
B)  humpback whales. 
C)  finback whales. 
D)  sei whales. 
E)  blue whales. 
A)  sperm whales. 
B)  humpback whales. 
C)  finback whales. 
D)  sei whales. 
E)  blue whales.

Question 11

The largest sharks and rays are

Accepted Answer

A)  carnivores. 
B)  plankton feeders. 
C)  predators. 
D)  carnivores and plankton feeders. 
E)  carnivores and predators. 
A)  carnivores. 
B)  plankton feeders. 
C)  predators. 
D)  carnivores and plankton feeders. 
E)  carnivores and predators.

Question 12

The Chondrichthyes include organisms such as

Accepted Answer

A)  lampreys. 
B)  hagfish. 
C)  sharks. 
D)  bony fish. 
A)  lampreys. 
B)  hagfish. 
C)  sharks. 
D)  bony fish.

Question 13

In what year was the Marine Mammal Protection Act established?

Accepted Answer

A)  1913 
B)  1920 
C)  1945 
D)  1965 
E)  1972 
A)  1913 
B)  1920 
C)  1945 
D)  1965 
E)  1972

Question 14

To which group do the tuna, salmon, and swordfish belong?

Accepted Answer

A)  Intertidal 
B)  Benthos 
C)  Nekton 
D)  Photon 
E)  Plankton 
A)  Intertidal 
B)  Benthos 
C)  Nekton 
D)  Photon 
E)  Plankton

Question 15

Baleen whales feed principally on

Accepted Answer

A)  copepods and krill. 
B)  diatoms and dinoflagellates. 
C)  fish and squid. 
D)  All of these are correct. 
E)  None of these are correct. 
A)  copepods and krill. 
B)  diatoms and dinoflagellates. 
C)  fish and squid. 
D)  All of these are correct. 
E)  None of these are correct.

Question 16

The presence of seabirds is a good indicator of

Accepted Answer

A)  marine pollution. 
B)  cold water. 
C)  high productivity. 
D)  presence of land. 
A)  marine pollution. 
B)  cold water. 
C)  high productivity. 
D)  presence of land.

Question 17

Whale falls support a large community of organisms including sharks, crabs, and bacteria.

Accepted Answer

A) True 
 B)False

Question 18

Toothed whales are larger than baleen whales.

Accepted Answer

A) True 
 B)False

Question 19

Seals, turtles, squid, and sea snakes are

Accepted Answer

A)  heterotrophs. 
B)  members of the nekton. 
C)  pelagic organisms. 
D)  All of these are correct. 
E)  None of these are correct. 
A)  heterotrophs. 
B)  members of the nekton. 
C)  pelagic organisms. 
D)  All of these are correct. 
E)  None of these are correct.

Marine mammals use echolocation to detect objects. For echolocation to work, marine mammals must be able to

Marine mammals are able to maintain their own body temperature internally.

The only marine lizard that is a member of the nekton is the marine iguana found in the Gala'pagos Islands.

The nekton only include vertebrates such as fish and whales.

What percentage of birds are marine species?

Birds are homeotherms, meaning they maintain a constant body temperature.

The most numerous organisms in the sea are fish.

The smallest marine mammal is a

The only herbivorous marine mammal is a

The largest animals in the world are the

The largest sharks and rays are

The Chondrichthyes include organisms such as

In what year was the Marine Mammal Protection Act established?

To which group do the tuna, salmon, and swordfish belong?

Baleen whales feed principally on

The presence of seabirds is a good indicator of

Whale falls support a large community of organisms including sharks, crabs, and bacteria.

Toothed whales are larger than baleen whales.

Seals, turtles, squid, and sea snakes are

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Ocean Structure and Circulation

The Waves

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The Living Ocean

The Plankton, Energy, and Food Webs

The Benthos: Living on the Sea Floor

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The Oceans and Climate Disruption

Prologue: The History of Oceanography

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Exam 13: The Nekton: Swimmers of the Sea

Marine mammals use echolocation to detect objects. For echolocation to work, marine mammals must be able to

Marine mammals are able to maintain their own body temperature internally.

The only marine lizard that is a member of the nekton is the marine iguana found in the Gala'pagos Islands.

The nekton only include vertebrates such as fish and whales.

What percentage of birds are marine species?

Birds are homeotherms, meaning they maintain a constant body temperature.

The most numerous organisms in the sea are fish.

The smallest marine mammal is a

The only herbivorous marine mammal is a

The largest animals in the world are the

The largest sharks and rays are

The Chondrichthyes include organisms such as

In what year was the Marine Mammal Protection Act established?

To which group do the tuna, salmon, and swordfish belong?

Baleen whales feed principally on

The presence of seabirds is a good indicator of

Whale falls support a large community of organisms including sharks, crabs, and bacteria.

Toothed whales are larger than baleen whales.

Seals, turtles, squid, and sea snakes are

The Water Planet

Earth Structure and Plate Tectonics

The Sea Floor and Its Sediments

The Physical Properties of Water

Seawater

The Atmosphere and the Oceans

Ocean Structure and Circulation

The Waves

The Tides

Coasts, Beaches, and Estuaries

The Living Ocean

The Plankton, Energy, and Food Webs

The Benthos: Living on the Sea Floor

Environmental Issues

The Oceans and Climate Disruption

Prologue: The History of Oceanography

Filters