Question 1

Polar bears ________.

Accepted Answer

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

Question 2

The presence of seabirds is a good indicator of ________.

Accepted Answer

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

Question 3

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 4

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 5

Which organisms are able to control their body temperatures?

Accepted Answer

A)  Sea birds 
B)  Whales 
C)  Seals 
D)  Whales and seals 
E)  Sea birds, whales, and seals 
A)  Sea birds 
B)  Whales 
C)  Seals 
D)  Whales and seals 
E)  Sea birds, whales, and seals

Question 6

Which migration route is not correct?

Accepted Answer

A)  California gray-between Mexico and the Bering Sea 
B)  Humpback-between Hawaii and the Gulf of Alaska 
C)  Bowhead-between the Bering and Chukchi seas 
D)  Sperm-between the coast of Maine and Greenland 
E)  Narwhal-between Greenland and Arctic islands 
A)  California gray-between Mexico and the Bering Sea 
B)  Humpback-between Hawaii and the Gulf of Alaska 
C)  Bowhead-between the Bering and Chukchi seas 
D)  Sperm-between the coast of Maine and Greenland 
E)  Narwhal-between Greenland and Arctic islands

Question 7

Toothed whales are larger than baleen whales.

Accepted Answer

A) True 
 B)False

Question 8

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

Question 9

How does the whale shark, the world's largest fish, feed?

Accepted Answer

A)  active predation 
B)  ambush predation 
C)  filter feeding 
D)  grazing 
E)  scavenging 
A)  active predation 
B)  ambush predation 
C)  filter feeding 
D)  grazing 
E)  scavenging

Question 10

Dolphins and porpoises are small-toothed whales.

Accepted Answer

A) True 
 B)False

Question 11

All of the following are part of the nekton except ________.

Accepted Answer

A)  whale shark 
B)  tuna crab 
C)  green turtle 
D)  giant squid 
E)  All of these are part of the nekton 
A)  whale shark 
B)  tuna crab 
C)  green turtle 
D)  giant squid 
E)  All of these are part of the nekton

Question 12

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

Question 13

Invertebrates and most fish are poikilotherms.

Accepted Answer

A) True 
 B)False

Question 14

The group of vertebrates with the most species, that is, the most diverse, in the sea is ________.

Accepted Answer

A)  birds 
B)  fish 
C)  reptiles 
D)  mammals 
E)  amphibians 
A)  birds 
B)  fish 
C)  reptiles 
D)  mammals 
E)  amphibians

Question 15

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 16

The countercurrent system of flow is involved in ________.

Accepted Answer

A)  increasing blood flow into gills 
B)  decreasing the time it takes for blood to flow through gills 
C)  increasing the amount of oxygen that diffuses into the blood 
D)  increasing the efficiency of the movement of gills 
E)  increasing heart rate 
A)  increasing blood flow into gills 
B)  decreasing the time it takes for blood to flow through gills 
C)  increasing the amount of oxygen that diffuses into the blood 
D)  increasing the efficiency of the movement of gills 
E)  increasing heart rate

Question 17

All sea turtle species are gradually increasing their populations.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following does not describe marine reptiles?

Accepted Answer

A)  animals 
B)  poikilotherms 
C)  vertebrates 
D)  photoheterotrophs 
E)  None of these is typical of reptiles. 
A)  animals 
B)  poikilotherms 
C)  vertebrates 
D)  photoheterotrophs 
E)  None of these is typical of reptiles.

Question 19

Sea snakes have skin that is ________.

Accepted Answer

A)  impervious to gases 
B)  poisonous 
C)  permeable to salt 
D)  impervious to salt 
A)  impervious to gases 
B)  poisonous 
C)  permeable to salt 
D)  impervious to salt

Question 20

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

Accepted Answer

A) True 
 B)False

Polar bears ________.

The presence of seabirds is a good indicator of ________.

The only herbivorous marine mammal is a ________.

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

Which organisms are able to control their body temperatures?

Which migration route is not correct?

Toothed whales are larger than baleen whales.

Seals, turtles, squid, and sea snakes are ________.

How does the whale shark, the world's largest fish, feed?

Dolphins and porpoises are small-toothed whales.

All of the following are part of the nekton except ________.

Baleen whales feed principally on ________.

Invertebrates and most fish are poikilotherms.

The group of vertebrates with the most species, that is, the most diverse, in the sea is ________.

Polar bears are ________.

The countercurrent system of flow is involved in ________.

All sea turtle species are gradually increasing their populations.

Which of the following does not describe marine reptiles?

Sea snakes have skin that is ________.

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

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 Living Ocean

The Plankton, Productivity, and Food Webs

The Benthos: Living on the Sea Floor

Environmental Issues

The Oceans and Climate Disruption

Filters

Exam 13: The Nekton: Swimmers of the Sea

Polar bears ________.

The presence of seabirds is a good indicator of ________.

The only herbivorous marine mammal is a ________.

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

Which organisms are able to control their body temperatures?

Which migration route is not correct?

Toothed whales are larger than baleen whales.

Seals, turtles, squid, and sea snakes are ________.

How does the whale shark, the world's largest fish, feed?

Dolphins and porpoises are small-toothed whales.

All of the following are part of the nekton except ________.

Baleen whales feed principally on ________.

Invertebrates and most fish are poikilotherms.

The group of vertebrates with the most species, that is, the most diverse, in the sea is ________.

Polar bears are ________.

The countercurrent system of flow is involved in ________.

All sea turtle species are gradually increasing their populations.

Which of the following does not describe marine reptiles?

Sea snakes have skin that is ________.

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

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 Living Ocean

The Plankton, Productivity, and Food Webs

The Benthos: Living on the Sea Floor

Environmental Issues

The Oceans and Climate Disruption

Filters