Question 1

The Marine Mammal Protection Act (MMPA) protects all nekton in U.S. waters.

Accepted Answer

A) True 
 B)False  False

Question 2

A keystone species is an organism that

Accepted Answer

A)  is endangered. 
B)  plays a crucial role in an ecosystem. 
C)  is very abundant. 
D)  lives in coastal regions. 
A)  is endangered. 
B)  plays a crucial role in an ecosystem. 
C)  is very abundant. 
D)  lives in coastal regions. B

Question 3

Dolphins and porpoises are small toothed whales.

Accepted Answer

A) True 
 B)False  True

Question 4

Seabirds have a very well developed sense of taste.

Accepted Answer

A) True 
 B)False

Question 5

Polar bears are

Accepted Answer

A)  managed by international agreement. 
B)  top predators of Arctic marine food chains. 
C)  hunted by native peoples. 
D)  protected by the U.S. Marine Mammal Act. 
E)  All of these are correct. 
A)  managed by international agreement. 
B)  top predators of Arctic marine food chains. 
C)  hunted by native peoples. 
D)  protected by the U.S. Marine Mammal Act. 
E)  All of these are correct.

Question 6

Sea otters depend on a thick layer of fat (blubber) to stay warm.

Accepted Answer

A) True 
 B)False

Question 7

All eight species of sea turtles are threatened or endangered.

Accepted Answer

A) True 
 B)False

Question 8

Fish of the bathyal and abyssal zones are generally

Accepted Answer

A)  small bodied, large mouthed, and bioluminescent. 
B)  large bodied, large mouthed, and bioluminescent. 
C)  small bodied, small mouthed, and dark colored. 
D)  large bodied, small mouthed, and dark colored. 
E)  small bodied, small mouthed, and bioluminescent. 
A)  small bodied, large mouthed, and bioluminescent. 
B)  large bodied, large mouthed, and bioluminescent. 
C)  small bodied, small mouthed, and dark colored. 
D)  large bodied, small mouthed, and dark colored. 
E)  small bodied, small mouthed, and bioluminescent.

Question 9

In the perpetually dark bathypelagic zone, fish tend to be

Accepted Answer

A)  brightly colored. 
B)  fast swimmers. 
C)  frequent feeders. 
D)  bioluminescent. 
E)  absent. 
A)  brightly colored. 
B)  fast swimmers. 
C)  frequent feeders. 
D)  bioluminescent. 
E)  absent.

Question 10

Most fish in the bathypelagic are

Accepted Answer

A)  black. 
B)  silver. 
C)  red. 
D)  white. 
E)  colorless. 
A)  black. 
B)  silver. 
C)  red. 
D)  white. 
E)  colorless.

Question 11

Polar bears

Accepted Answer

A)  don't like to get wet. 
B)  can swim continuously for 100km. 
C)  feed primarily on fish. 
D)  are found at both poles. 
E)  can swim continuously for 100km, feed primarily on fish, and are found at both poles. 
A)  don't like to get wet. 
B)  can swim continuously for 100km. 
C)  feed primarily on fish. 
D)  are found at both poles. 
E)  can swim continuously for 100km, feed primarily on fish, and are found at both poles.

Question 12

Which of the following increased humans' abilities to harvest the great whales?

Accepted Answer

A)  the explosive harpoon 
B)  motorized hunting vessels and factory ships 
C)  sonar 
D)  the explosive harpoon and motorized hunting vessels and factory ships 
E)  All of these are correct. 
A)  the explosive harpoon 
B)  motorized hunting vessels and factory ships 
C)  sonar 
D)  the explosive harpoon and motorized hunting vessels and factory ships 
E)  All of these are correct.

Question 13

TEDs are devices to keep seals away from fishnets.

Accepted Answer

A) True 
 B)False

Question 14

Because whales are homeotherms, individuals of a single species can migrate between and survive in waters of very different temperatures.

Accepted Answer

A) True 
 B)False

Question 15

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 devices. 
A)  sonar. 
B)  turtle excluder devices (TEDs). 
C)  gill nets. 
D)  acoustic tagging devices.

Question 16

Dolphins and porpoises are small toothed whales.

Accepted Answer

A) True 
 B)False

Question 17

A shark is an example of a bony fish.

Accepted Answer

A) True 
 B)False

Question 18

Whales and seals increase their flotation by

Accepted Answer

A)  filling their swim bladders with large quantities of gas. 
B)  storing large quantities of low-density fat. 
C)  blowing bubbles while swimming. 
D)  storing nitrogen in their blood. 
E)  having specialized air cavities in their bones. 
A)  filling their swim bladders with large quantities of gas. 
B)  storing large quantities of low-density fat. 
C)  blowing bubbles while swimming. 
D)  storing nitrogen in their blood. 
E)  having specialized air cavities in their bones.

Question 19

Sea snakes are found in the Atlantic, Pacific, and Indian Oceans.

Accepted Answer

A) True 
 B)False

Question 20

The large tusks of the male walrus are used exclusively for fighting off other males during the mating season.

Accepted Answer

A) True 
 B)False

The Marine Mammal Protection Act (MMPA) protects all nekton in U.S. waters.

A keystone species is an organism that

Dolphins and porpoises are small toothed whales.

Seabirds have a very well developed sense of taste.

Polar bears are

Sea otters depend on a thick layer of fat (blubber) to stay warm.

All eight species of sea turtles are threatened or endangered.

Fish of the bathyal and abyssal zones are generally

In the perpetually dark bathypelagic zone, fish tend to be

Most fish in the bathypelagic are

Polar bears

Which of the following increased humans' abilities to harvest the great whales?

TEDs are devices to keep seals away from fishnets.

Because whales are homeotherms, individuals of a single species can migrate between and survive in waters of very different temperatures.

One conservation method used to protect turtles from trawl nets uses

Dolphins and porpoises are small toothed whales.

A shark is an example of a bony fish.

Whales and seals increase their flotation by

Sea snakes are found in the Atlantic, Pacific, and Indian Oceans.

The large tusks of the male walrus are used exclusively for fighting off other males during the mating season.

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

Exam 13: The Nekton: Swimmers of the Sea

The Marine Mammal Protection Act (MMPA) protects all nekton in U.S. waters.

A keystone species is an organism that

Dolphins and porpoises are small toothed whales.

Seabirds have a very well developed sense of taste.

Polar bears are

Sea otters depend on a thick layer of fat (blubber) to stay warm.

All eight species of sea turtles are threatened or endangered.

Fish of the bathyal and abyssal zones are generally

In the perpetually dark bathypelagic zone, fish tend to be

Most fish in the bathypelagic are

Polar bears

Which of the following increased humans' abilities to harvest the great whales?

TEDs are devices to keep seals away from fishnets.

Because whales are homeotherms, individuals of a single species can migrate between and survive in waters of very different temperatures.

One conservation method used to protect turtles from trawl nets uses

Dolphins and porpoises are small toothed whales.

A shark is an example of a bony fish.

Whales and seals increase their flotation by

Sea snakes are found in the Atlantic, Pacific, and Indian Oceans.

The large tusks of the male walrus are used exclusively for fighting off other males during the mating season.

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