Question 1

To be considered marine, a species must spend how much of its life in the marine environment?

Accepted Answer

A)   25 percent
B)   50 percent
C)   75 percent
D)   90 percent
E)   100 percentF) B) and E)
G) C) and D)

Question 2

The largest sharks and rays are ________.

Accepted Answer

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

Question 3

Objections to the "stepping-stone" hypothesis, suggesting that deep-sea hydrothermal vent organisms are dispersed by taking advantage of whale falls (like stepping-stones) , include all of the following except ________.

Accepted Answer

A)   the number of overlapping species found at multiple sites is small
B)   most whales live and die in shallow waters
C)   increasing numbers of vents found suggest that dispersal is not a problem
D)   chemosynthetic organisms found at whale falls are not the same as at hydrothermal ventsE) B) and C)
F) A) and D)

Question 4

Pelagic seabirds nest at sea.

Accepted Answer

A) True 
 B)False

Question 5

One conservation method used to protect turtles from trawl nets uses ________.

Accepted Answer

A)   sonar
B)   turtle excluder devices (TEDs) 
C)   gill nets
D)   acoustic tagging devicesE) A) and B)
F) None of the above

Question 6

The Chondrichthyes include organisms such as ________.

Accepted Answer

A)   lampreys
B)   hagfish
C)   sharks
D)   bony fishE) A) and B)
F) A) and C)

Question 7

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

Accepted Answer

A) True 
 B)False

Question 8

The largest animals in the world are the ________.

Accepted Answer

A)   sperm whales
B)   humpback whales
C)   finback whales
D)   sei whales
E)   blue whalesF) B) and C)
G) A) and D)

Question 9

Which of the following is not true about both shorebirds and seabirds?

Accepted Answer

A)   They migrate.
B)   Their diet comes from the marine environment.
C)   They nest on land.
D)   They are strong fliers.
E)   They are strong swimmers.F) B) and D)
G) A) and D)

Exam 13: The Nekton: Swimmers of the Sea

Which of the following is not true about both shorebirds and seabirds?

Correct Answer
verified

One conservation method used to protect turtles from trawl nets uses ________.

Correct Answer
verified

Objections to the "stepping-stone" hypothesis, suggesting that deep-sea hydrothermal vent organisms are dispersed by taking advantage of whale falls (like stepping-stones) , include all of the following except ________.

Correct Answer
verified

The largest sharks and rays are ________.

Correct Answer
verified

To be considered marine, a species must spend how much of its life in the marine environment?

Correct Answer
verified

The largest animals in the world are the ________.

Correct Answer
verified

The Chondrichthyes include organisms such as ________.

Correct Answer
verified

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

Correct Answer
verified

Pelagic seabirds nest at sea.

Correct Answer
verified

Exam 13: The Nekton: Swimmers of the Sea

Which of the following is not true about both shorebirds and seabirds?

Correct AnswerverifiedShow Answer

One conservation method used to protect turtles from trawl nets uses ________.

Correct AnswerverifiedShow Answer

Objections to the "stepping-stone" hypothesis, suggesting that deep-sea hydrothermal vent organisms are dispersed by taking advantage of whale falls (like stepping-stones) , include all of the following except ________.

Correct AnswerverifiedShow Answer

The largest sharks and rays are ________.

Correct AnswerverifiedShow Answer

To be considered marine, a species must spend how much of its life in the marine environment?

Correct AnswerverifiedShow Answer

The largest animals in the world are the ________.

Correct AnswerverifiedShow Answer

The Chondrichthyes include organisms such as ________.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Pelagic seabirds nest at sea.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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