Question 1

Sea turtles

Accepted Answer

A)  Feed and reproduce in the same areas 
B)  Lay eggs underwater 
C)  Are all carnivorous 
D)  Migrate often thousands of kilometers between egg-laying and feeding areas 
A)  Feed and reproduce in the same areas 
B)  Lay eggs underwater 
C)  Are all carnivorous 
D)  Migrate often thousands of kilometers between egg-laying and feeding areas D

Question 2

Differences in feeding among shore bird species are

Accepted Answer

A)  Best reflected in differences in diving from the surface 
B)  Best reflected in differences in beak morphology 
C)  Nonexistent 
D)  Present, but only in the breeding grounds 
A)  Best reflected in differences in diving from the surface 
B)  Best reflected in differences in beak morphology 
C)  Nonexistent 
D)  Present, but only in the breeding grounds B

Question 3

Eared seals

Accepted Answer

A)  Never touch shore, breeding at sea 
B)  Have flippers that are only adapted to swimming 
C)  Have paddle-like hind flippers that can be rotated forward for movement on land 
D)  Are only found in the southern hemisphere 
A)  Never touch shore, breeding at sea 
B)  Have flippers that are only adapted to swimming 
C)  Have paddle-like hind flippers that can be rotated forward for movement on land 
D)  Are only found in the southern hemisphere C

Question 4

Sea birds

Accepted Answer

A)  Generally nest in areas with just a few pairs 
B)  Feed and breed in the same areas 
C)  Feed only by diving below the surface 
D)  Are usually monogamous 
A)  Generally nest in areas with just a few pairs 
B)  Feed and breed in the same areas 
C)  Feed only by diving below the surface 
D)  Are usually monogamous

Question 5

Killer whales are known for their

Accepted Answer

A)  Social organization in hunting 
B)  Sodium excretory pumps 
C)  Attack of nonschooling fish 
D)  Hunting in pairs 
A)  Social organization in hunting 
B)  Sodium excretory pumps 
C)  Attack of nonschooling fish 
D)  Hunting in pairs

Question 6

Some cephalopods can adjust their position in the water column using a

Accepted Answer

A)  Swim bladder 
B)  Rete mirabile 
C)  Salt pump 
D)  Low-density egg mass 
A)  Swim bladder 
B)  Rete mirabile 
C)  Salt pump 
D)  Low-density egg mass

Question 7

Members of the Odontoceti

Accepted Answer

A)  Suspension feed on krill 
B)  Sit on the bottom and attack passing sharks 
C)  Attack prey including fish and smaller marine mammals 
D)  Lay eggs on the bottom 
A)  Suspension feed on krill 
B)  Sit on the bottom and attack passing sharks 
C)  Attack prey including fish and smaller marine mammals 
D)  Lay eggs on the bottom

Question 8

A member of the Mysticeti is

Accepted Answer

A)  The Orca 
B)  The Blue Whale 
C)  The Australian Fur Seal 
D)  The Dugong 
A)  The Orca 
B)  The Blue Whale 
C)  The Australian Fur Seal 
D)  The Dugong

Question 9

The lateral line and otolith system both involve use of

Accepted Answer

A)  Chemoreceptors mainly 
B)  Mechanoreceptors mainly 
C)  Detection of electrical energy in the water 
D)  Temperature receptors 
A)  Chemoreceptors mainly 
B)  Mechanoreceptors mainly 
C)  Detection of electrical energy in the water 
D)  Temperature receptors

Question 10

The teeth of cartilaginous fishes are

Accepted Answer

A)  Composed of replaceable rows 
B)  Fixed and fused to the jaw 
C)  Strongly adapted for piercing prey 
D)  Few in number 
A)  Composed of replaceable rows 
B)  Fixed and fused to the jaw 
C)  Strongly adapted for piercing prey 
D)  Few in number

Question 11

A fish gill and the rete mirabile are examples of

Accepted Answer

A)  Countercurrent exchangers 
B)  Sodium excretory pumps 
C)  Oxygen transport systems 
D)  Temperature regulatory mechanisms 
A)  Countercurrent exchangers 
B)  Sodium excretory pumps 
C)  Oxygen transport systems 
D)  Temperature regulatory mechanisms

Question 12

Which of the following probably has the slowest swimming speed?

Accepted Answer

A)  Baleen whales 
B)  Large sharks 
C)  Toothed whales 
D)  Salmon 
A)  Baleen whales 
B)  Large sharks 
C)  Toothed whales 
D)  Salmon

Question 13

A member of the Sirenia is

Accepted Answer

A)  The harbor seal 
B)  The beluga whale 
C)  The blue whale 
D)  The manatee 
A)  The harbor seal 
B)  The beluga whale 
C)  The blue whale 
D)  The manatee

Question 14

Whales have a problem diving because

Accepted Answer

A)  They can hold their breath for very short periods of time 
B)  They inhale air at the surface at high levels of pressure 
C)  Upon ascent they may suffer release of gas bubbles in the circulatory system 
D)  Upon descent they cannot prevent large amounts of carbon dioxide from dissolving in the blood and suffer the bends 
A)  They can hold their breath for very short periods of time 
B)  They inhale air at the surface at high levels of pressure 
C)  Upon ascent they may suffer release of gas bubbles in the circulatory system 
D)  Upon descent they cannot prevent large amounts of carbon dioxide from dissolving in the blood and suffer the bends

Question 15

Body temperature of fishes

Accepted Answer

A)  Is always above ambient water temperature 
B)  May be greater than ambient in either the body or part of the brain 
C)  Is only increased in the body 
D)  Conforms to water temperature in all fishes 
A)  Is always above ambient water temperature 
B)  May be greater than ambient in either the body or part of the brain 
C)  Is only increased in the body 
D)  Conforms to water temperature in all fishes

Question 16

Pinnipeds differ from Sirenia in

Accepted Answer

A)  Having hair 
B)  Lacking hair 
C)  Being able to dive 
D)  Being herbivores 
A)  Having hair 
B)  Lacking hair 
C)  Being able to dive 
D)  Being herbivores

Question 17

Fish mainly detect mechanical stimuli from water movement with

Accepted Answer

A)  The lateral line system 
B)  The otolith 
C)  Special mechanoreceptors at the end of the tail 
D)  Vision used to spot water motion 
A)  The lateral line system 
B)  The otolith 
C)  Special mechanoreceptors at the end of the tail 
D)  Vision used to spot water motion

Question 18

Chambered nautilus are found

Accepted Answer

A)  Throughout all depths of the ocean 
B)  Only in benthic environments shallower than 10 meters 
C)  In water depths no greater than 800 meters 
D)  Floating at the surface 
A)  Throughout all depths of the ocean 
B)  Only in benthic environments shallower than 10 meters 
C)  In water depths no greater than 800 meters 
D)  Floating at the surface

Question 19

Baleen whales

Accepted Answer

A)  Attack large prey such as seals 
B)  Generally feed and breed in the same small areas 
C)  May migrate thousands of kilometers between feeding and breeding areas 
D)  Never feed on fish 
A)  Attack large prey such as seals 
B)  Generally feed and breed in the same small areas 
C)  May migrate thousands of kilometers between feeding and breeding areas 
D)  Never feed on fish

Question 20

A fish with good maneuverability will likely be

Accepted Answer

A)  A large fast-swimming predator 
B)  Very elongate 
C)  Disk shaped 
D)  Devoid of a swim bladder 
A)  A large fast-swimming predator 
B)  Very elongate 
C)  Disk shaped 
D)  Devoid of a swim bladder

Exam 9: Marine Vertebrates and Other Nekton

Sea turtles

Differences in feeding among shore bird species are

Eared seals

Sea birds

Killer whales are known for their

Some cephalopods can adjust their position in the water column using a

Members of the Odontoceti

A member of the Mysticeti is

The lateral line and otolith system both involve use of

The teeth of cartilaginous fishes are

A fish gill and the rete mirabile are examples of

Which of the following probably has the slowest swimming speed?

A member of the Sirenia is

Whales have a problem diving because

Body temperature of fishes

Pinnipeds differ from Sirenia in

Fish mainly detect mechanical stimuli from water movement with

Chambered nautilus are found

Baleen whales

A fish with good maneuverability will likely be

Sounding the Deep

The Oceanic Environment

Climate Oscillations and Climate Change

Ecological and Evolutionary Principles of Marine Biology

The Chemical and Physical Environment

Life in a Fluid Medium

Reproduction, Dispersal, and Migration

Plankton

The Open Sea: Distributions and Adaptations

Processes in the Water Column

Productivity, Food Webs, and Global Climate Change

Benthic Microorganisms, Seaweeds, and Sea Grasses

The Diversity of Benthic Marine Invertebrates

Benthic Life Habits

The Tidelands: Rocky Shores, Soft-Substratum Shores, Marshes, Mangroves, Estuaries, and Oyster Reefs

The Shallow Coastal Subtidal: Sea Grass Beds, Rocky Reefs, Kelp Forests, and Coral Reefs

Benthos From the Continental Shelf to the Deep Sea

Polar Marine Biology

Biodiversity and Conservation of the Ocean

Fisheries and Food From the Sea

Environmental Impacts of Industrial Activities and Human Populations

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