Question 1

The hagfish are the only known vertebrate that is iso-osmotic.

Accepted Answer

A) True 
 B)False

Question 2

Sea snakes spend less than half their time in the marine environment.

Accepted Answer

A) True 
 B)False

Question 3

Demersal fish spend more of their time

Accepted Answer

A)  at middepths in the water column. 
B)  on the seafloor. 
C)  at the sea surface. 
D)  swimming actively over a wide range of depths. 
E)  in the littoral zone. 
A)  at middepths in the water column. 
B)  on the seafloor. 
C)  at the sea surface. 
D)  swimming actively over a wide range of depths. 
E)  in the littoral zone.

Question 4

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 5

The counter-current 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 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

Each year, the bowhead and beluga whales migrate from Antarctica to southern California.

Accepted Answer

A) True 
 B)False

Question 8

One particular feature found in bony fishes but is absent in cartilaginous fishes is

Accepted Answer

A)  scales. 
B)  gills. 
C)  a swim bladder. 
D)  a pectoral fin. 
E)  a skeleton. 
A)  scales. 
B)  gills. 
C)  a swim bladder. 
D)  a pectoral fin. 
E)  a skeleton.

Question 9

Pelagic seabirds nest at sea.

Accepted Answer

A) True 
 B)False

Question 10

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 11

Walrus feed on

Accepted Answer

A)  krill. 
B)  squid. 
C)  small fish. 
D)  shellfish. 
E)  small seals. 
A)  krill. 
B)  squid. 
C)  small fish. 
D)  shellfish. 
E)  small seals.

Question 12

Invertebrates and most fish are poikilotherms.

Accepted Answer

A) True 
 B)False

Question 13

All toothed whales use echolocation, except baleen whales.

Accepted Answer

A) True 
 B)False

Question 14

All sea turtle species are gradually increasing their populations.

Accepted Answer

A) True 
 B)False

Question 15

The very large eyes of the giant and colossal squid are adapted to

Accepted Answer

A)  detect bioluminescence. 
B)  identify their prey. 
C)  detect ultraviolet light. 
D)  glow in the dark. 
A)  detect bioluminescence. 
B)  identify their prey. 
C)  detect ultraviolet light. 
D)  glow in the dark.

Question 16

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 vents. 
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 vents.

Question 17

There are no endothermic marine organisms.

Accepted Answer

A) True 
 B)False

Question 18

Baleen whales lack

Accepted Answer

A)  flukes 
B)  teeth 
C)  a dorsal fin 
D)  a blowhole 
E)  an Ear opening 
A)  flukes 
B)  teeth 
C)  a dorsal fin 
D)  a blowhole 
E)  an Ear opening

Question 19

A group behavior that is much more common in bony fish than cartilaginous fish is

Accepted Answer

A)  territoriality. 
B)  homing. 
C)  schooling. 
D)  migration. 
A)  territoriality. 
B)  homing. 
C)  schooling. 
D)  migration.

Question 20

Which of these is an example of a jawless fish?

Accepted Answer

A)  Ray. 
B)  Shark. 
C)  Hagfish. 
D)  Whale shark. 
E)  Skate. 
A)  Ray. 
B)  Shark. 
C)  Hagfish. 
D)  Whale shark. 
E)  Skate.

The hagfish are the only known vertebrate that is iso-osmotic.

Sea snakes spend less than half their time in the marine environment.

Demersal fish spend more of their time

Sea snakes have skin that is

The counter-current system of flow is involved in

Which migration route is not correct?

Each year, the bowhead and beluga whales migrate from Antarctica to southern California.

One particular feature found in bony fishes but is absent in cartilaginous fishes is

Pelagic seabirds nest at sea.

Which organisms are able to control their body temperatures?

Walrus feed on

Invertebrates and most fish are poikilotherms.

All toothed whales use echolocation, except baleen whales.

All sea turtle species are gradually increasing their populations.

The very large eyes of the giant and colossal squid are adapted to

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

There are no endothermic marine organisms.

Baleen whales lack

A group behavior that is much more common in bony fish than cartilaginous fish is

Which of these is an example of a jawless fish?

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 hagfish are the only known vertebrate that is iso-osmotic.

Sea snakes spend less than half their time in the marine environment.

Demersal fish spend more of their time

Sea snakes have skin that is

The counter-current system of flow is involved in

Which migration route is not correct?

Each year, the bowhead and beluga whales migrate from Antarctica to southern California.

One particular feature found in bony fishes but is absent in cartilaginous fishes is

Pelagic seabirds nest at sea.

Which organisms are able to control their body temperatures?

Walrus feed on

Invertebrates and most fish are poikilotherms.

All toothed whales use echolocation, except baleen whales.

All sea turtle species are gradually increasing their populations.

The very large eyes of the giant and colossal squid are adapted to

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

There are no endothermic marine organisms.

Baleen whales lack

A group behavior that is much more common in bony fish than cartilaginous fish is

Which of these is an example of a jawless fish?

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