Question 1

Adaptations for deep diving in cetaceans include all the following except:

Accepted Answer

A)  expelling air from the lungs. 
B)  large lungs with large number of air sacs. 
C)  rib cage that can collapse. 
D)  sonar for detecting the depth. 
E)  high red blood cell count 
A)  expelling air from the lungs. 
B)  large lungs with large number of air sacs. 
C)  rib cage that can collapse. 
D)  sonar for detecting the depth. 
E)  high red blood cell count D

Question 2

Describe at least 3 physiological adaptations in pinnipeds that enable them to dive deep.

Accepted Answer

They exhale before diving, slow their metabolism by 20% and reduce heart rate. Blood is redistributed to vital organs such as the brain and heart to maintain their essential functions. The other organs do not need to fully function on a dive.

Question 3

Those marine mammals most adapted to a marine existence are the

Accepted Answer

A)  pinnipeds. 
B)  sirenians. 
C)  cetaceans. 
D)  sea otters. 
A)  pinnipeds. 
B)  sirenians. 
C)  cetaceans. 
D)  sea otters. C

Question 4

The largest of all the whales is the:

Accepted Answer

A)  sperm whale. 
B)  sei whale. 
C)  humpback whale. 
D)  blue whale. 
E)  megalodon. 
A)  sperm whale. 
B)  sei whale. 
C)  humpback whale. 
D)  blue whale. 
E)  megalodon.

Question 5

The absence of sweat glands in cetaceans aids in

Accepted Answer

A)  maintaining body heat. 
B)  conserving water. 
C)  increasing internal salinity. 
D)  reducing drag. 
E)  swimming efficiency. 
A)  maintaining body heat. 
B)  conserving water. 
C)  increasing internal salinity. 
D)  reducing drag. 
E)  swimming efficiency.

Question 6

Unlike pinnipeds, sirenians are completely free from the terrestrial environment.

Accepted Answer

A) True 
 B)False

Question 7

Match the prey detection method with the most closely associated animal.
-Dolphins

Accepted Answer

A) manipulating with flippers 
B) echolocation 
C) eyesight 
A) manipulating with flippers 
B) echolocation 
C) eyesight

Question 8

The only population of humpback whales that is showing recovery from the effects of whaling is the:

Accepted Answer

A)  North Pacific population. 
B)  North Atlantic population. 
C)  Maui population. 
D)  Southern Hemisphere population. 
E)  Southern Pacific population. 
A)  North Pacific population. 
B)  North Atlantic population. 
C)  Maui population. 
D)  Southern Hemisphere population. 
E)  Southern Pacific population.

Question 9

The deepest diving pinnipeds are the:

Accepted Answer

A)  sea lions. 
B)  harbor seals. 
C)  Weddell seals. 
D)  elephant seals. 
E)  Stellar's sea lion. 
A)  sea lions. 
B)  harbor seals. 
C)  Weddell seals. 
D)  elephant seals. 
E)  Stellar's sea lion.

Question 10

Match the purpose with the mechanism it is most closely associated with.
-Bubble net

Accepted Answer

A) locate prey 
B) trap prey near surface 
C) filter feed 
A) locate prey 
B) trap prey near surface 
C) filter feed

Question 11

Describe the feeding behavior of humpback whales. Why do they employ this type of food capture method?

Accepted Answer

Humpback whales feed on small schools of

Question 12

Manatees are mostly found in:

Accepted Answer

A)  cold polar waters. 
B)  Antarctica. 
C)  tropical estuaries. 
D)  temperate coastal areas. 
E)  Eastern Pacific Ocean. 
A)  cold polar waters. 
B)  Antarctica. 
C)  tropical estuaries. 
D)  temperate coastal areas. 
E)  Eastern Pacific Ocean.

Question 13

Known for the ability to dive deep, the ____ has set a record of 1530 m.

Accepted Answer

A)  harbor seal 
B)  Weddel seal 
C)  Steller's sea lion 
D)  leopard seal 
E)  northern elephant seal 
A)  harbor seal 
B)  Weddel seal 
C)  Steller's sea lion 
D)  leopard seal 
E)  northern elephant seal

Question 14

Match the insulation with the closely associated animal.
-Sea Lion

Accepted Answer

A) Fur 
B) Fur and fat 
C) Blubber 
A) Fur 
B) Fur and fat 
C) Blubber

Question 15

Sea otters are protected from the cold by having:

Accepted Answer

A)  thick blubber. 
B)  thick fur. 
C)  waxy fur. 
D)  fatty tissue. 
E)  thick skin. 
A)  thick blubber. 
B)  thick fur. 
C)  waxy fur. 
D)  fatty tissue. 
E)  thick skin.

Question 16

Spy hopping is a term given to whales when they:

Accepted Answer

A)  jump out of the water. 
B)  partially get their body out of the water. 
C)  capture their food. 
D)  mate. 
E)  play in groups. 
A)  jump out of the water. 
B)  partially get their body out of the water. 
C)  capture their food. 
D)  mate. 
E)  play in groups.

Question 17

Match the possible importance of a whale behavior with its most closely associated behavior.
-Tail Slapping

Accepted Answer

A) marking a position 
B) unknown 
C) aggressive behavior 
A) marking a position 
B) unknown 
C) aggressive behavior

Question 18

You are the aquarium keeper at a large oceanarium. The facility acquires a manatee, and you are charged with its care. Explain what you would feed it.

Accepted Answer

Sirens feed exclusively on veg

Question 19

Marine mammals, because of the energy demands of being homeothermic, expend about ____ times as much energy as other marine organisms.

Accepted Answer

A)  5 
B)  10 
C)  15 
D)  20 
E)  25 
A)  5 
B)  10 
C)  15 
D)  20 
E)  25

Question 20

Explain why phocids, especially ones living in polar areas, generally have very short lactation periods compared to eared seals.

Accepted Answer

Many phocids live in polar waters, where

Adaptations for deep diving in cetaceans include all the following except:

Describe at least 3 physiological adaptations in pinnipeds that enable them to dive deep.

Those marine mammals most adapted to a marine existence are the

The largest of all the whales is the:

The absence of sweat glands in cetaceans aids in

Unlike pinnipeds, sirenians are completely free from the terrestrial environment.

Match the prey detection method with the most closely associated animal. -Dolphins

The only population of humpback whales that is showing recovery from the effects of whaling is the:

The deepest diving pinnipeds are the:

Match the purpose with the mechanism it is most closely associated with. -Bubble net

Describe the feeding behavior of humpback whales. Why do they employ this type of food capture method?

Manatees are mostly found in:

Known for the ability to dive deep, the ____ has set a record of 1530 m.

Match the insulation with the closely associated animal. -Sea Lion

Sea otters are protected from the cold by having:

Spy hopping is a term given to whales when they:

Match the possible importance of a whale behavior with its most closely associated behavior. -Tail Slapping

You are the aquarium keeper at a large oceanarium. The facility acquires a manatee, and you are charged with its care. Explain what you would feed it.

Marine mammals, because of the energy demands of being homeothermic, expend about ____ times as much energy as other marine organisms.

Explain why phocids, especially ones living in polar areas, generally have very short lactation periods compared to eared seals.

Science and Marine Biology

Fundamentals of Ecology

Geology of the Ocean

Water, Waves, and Tides

Biological Concepts

Marine Microbes

Multicellular Primary Producers

Lower Invertebrates

Higher Invertebrates

Marine Fishes

Reptiles and Birds

Intertidal Communities

Estuaries

Coral Reef Communities

Continental Shelves and Neritic Zone

The Open Sea

Life in the Oceans Depths

Harvesting the Oceans Resources

Oceans in Jeopardy

Filters

Exam 12: Marine Mammals

Adaptations for deep diving in cetaceans include all the following except:

Describe at least 3 physiological adaptations in pinnipeds that enable them to dive deep.

Those marine mammals most adapted to a marine existence are the

The largest of all the whales is the:

The absence of sweat glands in cetaceans aids in

Unlike pinnipeds, sirenians are completely free from the terrestrial environment.

Match the prey detection method with the most closely associated animal. -Dolphins

The only population of humpback whales that is showing recovery from the effects of whaling is the:

The deepest diving pinnipeds are the:

Match the purpose with the mechanism it is most closely associated with. -Bubble net

Describe the feeding behavior of humpback whales. Why do they employ this type of food capture method?

Manatees are mostly found in:

Known for the ability to dive deep, the ____ has set a record of 1530 m.

Match the insulation with the closely associated animal. -Sea Lion

Sea otters are protected from the cold by having:

Spy hopping is a term given to whales when they:

Match the possible importance of a whale behavior with its most closely associated behavior. -Tail Slapping

You are the aquarium keeper at a large oceanarium. The facility acquires a manatee, and you are charged with its care. Explain what you would feed it.

Marine mammals, because of the energy demands of being homeothermic, expend about ____ times as much energy as other marine organisms.

Explain why phocids, especially ones living in polar areas, generally have very short lactation periods compared to eared seals.

Science and Marine Biology

Fundamentals of Ecology

Geology of the Ocean

Water, Waves, and Tides

Biological Concepts

Marine Microbes

Multicellular Primary Producers

Lower Invertebrates

Higher Invertebrates

Marine Fishes

Reptiles and Birds

Intertidal Communities

Estuaries

Coral Reef Communities

Continental Shelves and Neritic Zone

The Open Sea

Life in the Oceans Depths

Harvesting the Oceans Resources

Oceans in Jeopardy

Filters