Question 1

The nekton only include vertebrates such as fish and whales.

Accepted Answer

A) True 
 B)False

Question 2

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 3

In what year was the Marine Mammal Protection Act established?

Accepted Answer

A)   1913
B)   1920
C)   1945
D)   1965
E)   1972F) A) and B)
G) C) and D)

Question 4

The largest sharks and rays are

Accepted Answer

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

Question 5

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.F) D) and E)
G) B) and E)

Question 6

The smallest marine mammal is a

Accepted Answer

A)   seal
B)   fur seal
C)   sea lion
D)   sea otter
E)   dugongF) A) and B)
G) A) and E)

Question 7

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

Accepted Answer

A) True 
 B)False

Question 8

The presence of seabirds is a good indicator of

Accepted Answer

A)   marine pollution.
B)   cold water.
C)   high productivity.
D)   presence of land.E) All of the above
F) A) and D)

Question 9

Toothed whales are larger than baleen whales.

Accepted Answer

A) True 
 B)False

Question 10

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.F) A) and E)
G) C) and D)

Question 11

What percentage of birds are marine species?

Accepted Answer

A)   3%
B)   10%
C)   22%
D)   27%
E)   30%F) None of the above
G) C) and E)

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

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

Accepted Answer

A)   Intertidal
B)   Benthos
C)   Nekton
D)   Photon
E)   PlanktonF) C) and E)
G) All of the above

Question 14

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.F) None of the above
G) C) and D)

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.F) A) and B)
G) A) and D)

Question 16

The most numerous organisms in the sea are fish.

Accepted Answer

A) True 
 B)False

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

The only herbivorous marine mammal is a

Accepted Answer

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

Question 19

The Chondrichthyes include organisms such as

Accepted Answer

A)   lampreys.
B)   hagfish.
C)   sharks.
D)   bony fish.E) B) and D)
F) A) and D)

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

Correct Answer
verified

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

Correct Answer
verified

The only herbivorous marine mammal is a

Correct Answer
verified

The smallest marine mammal is a

Correct Answer
verified

The most numerous organisms in the sea are fish.

Correct Answer
verified

Seals, turtles, squid, and sea snakes are

Correct Answer
verified

The largest animals in the world are the

Correct Answer
verified

What percentage of birds are marine species?

Correct Answer
verified

Baleen whales feed principally on

Correct Answer
verified

The largest sharks and rays are

Correct Answer
verified

The presence of seabirds is a good indicator of

Correct Answer
verified

The Chondrichthyes include organisms such as

Correct Answer
verified

In what year was the Marine Mammal Protection Act established?

Correct Answer
verified

The nekton only include vertebrates such as fish and whales.

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Toothed whales are larger than baleen whales.

Correct Answer
verified

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The only herbivorous marine mammal is a

Correct AnswerverifiedShow Answer

The smallest marine mammal is a

Correct AnswerverifiedShow Answer

The most numerous organisms in the sea are fish.

Correct AnswerverifiedShow Answer

Seals, turtles, squid, and sea snakes are

Correct AnswerverifiedShow Answer

The largest animals in the world are the

Correct AnswerverifiedShow Answer

What percentage of birds are marine species?

Correct AnswerverifiedShow Answer

Baleen whales feed principally on

Correct AnswerverifiedShow Answer

The largest sharks and rays are

Correct AnswerverifiedShow Answer

The presence of seabirds is a good indicator of

Correct AnswerverifiedShow Answer

The Chondrichthyes include organisms such as

Correct AnswerverifiedShow Answer

In what year was the Marine Mammal Protection Act established?

Correct AnswerverifiedShow Answer

The nekton only include vertebrates such as fish and whales.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Toothed whales are larger than baleen whales.

Correct AnswerverifiedShow Answer

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