Question 1

The leopard seal's primary predator is called the:

Accepted Answer

A)  sperm whale. 
B)  polar bear. 
C)  killer whale. 
D)  salt water crocodile. 
E)  Weddel seal. 
A)  sperm whale. 
B)  polar bear. 
C)  killer whale. 
D)  salt water crocodile. 
E)  Weddel seal.

Question 2

Whales, dolphins, and porpoises all belong to the order:

Accepted Answer

A)  Sirenia. 
B)  Cetacea. 
C)  Carnivora. 
D)  Pinnipedia. 
E)  Fissipedia. 
A)  Sirenia. 
B)  Cetacea. 
C)  Carnivora. 
D)  Pinnipedia. 
E)  Fissipedia.

Question 3

Match the possible importance of a whale behavior with its most closely associated behavior.
-Flipper Flapping

Accepted Answer

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

Question 4

In eared seals, the main propulsive force for swimming is produced by the:

Accepted Answer

A)  forelimbs. 
B)  hindlimbs. 
C)  undulations of the body. 
D)  tail. 
E)  caudal fin. 
A)  forelimbs. 
B)  hindlimbs. 
C)  undulations of the body. 
D)  tail. 
E)  caudal fin.

Question 5

Pinnipeds molt

Accepted Answer

A)  in the ocean. 
B)  on shore. 
C)  in the winter. 
D)  throughout the year. 
E)  They do not molt. 
A)  in the ocean. 
B)  on shore. 
C)  in the winter. 
D)  throughout the year. 
E)  They do not molt.

Question 6

It is believed that cetaceans evolved from:

Accepted Answer

A)  a terrestrial mammal. 
B)  a pinniped. 
C)  fishes. 
D)  polychaetes. 
E)  dinosaurs. 
A)  a terrestrial mammal. 
B)  a pinniped. 
C)  fishes. 
D)  polychaetes. 
E)  dinosaurs.

Question 7

In eared seals, the hindlimbs can rotate at right angles to the body and can be used for walking on land.

Accepted Answer

A) True 
 B)False

Question 8

Myoglobin is a protein found in the muscles of cetaceans that:

Accepted Answer

A)  stores energy. 
B)  stores oxygen. 
C)  maintains buoyancy. 
D)  maintains heat. 
E)  stores ATP. 
A)  stores energy. 
B)  stores oxygen. 
C)  maintains buoyancy. 
D)  maintains heat. 
E)  stores ATP.

Question 9

Describe the fossil and embryological evidence for the terrestrial origins of cetaceans.

Accepted Answer

Fossil records show massive animals, wit

Question 10

Match the food item with the animal that consumes it.
-Toothed Whales

Accepted Answer

A) vegetation 
B) plankton 
C) fish, squid 
A) vegetation 
B) plankton 
C) fish, squid

Question 11

Describe at least 3 adaptations of modern whales adapted for a completely aquatic existence.

Accepted Answer

The baleen replaced teeth and consists o

Question 12

Breaching is the name given to the activity of whales when they:

Accepted Answer

A)  mate. 
B)  jump out of the water. 
C)  capture their food. 
D)  migrate long distances. 
E)  give birth. 
A)  mate. 
B)  jump out of the water. 
C)  capture their food. 
D)  migrate long distances. 
E)  give birth.

Question 13

Sea lions have shorter lactation periods than true seals.

Accepted Answer

A) True 
 B)False

Question 14

The ____ feeds on penguins and other seals.

Accepted Answer

A)  Guadalupe fur seal 
B)  elephant seal 
C)  Steller's sea lion 
D)  leopard seal 
E)  harbor seal 
A)  Guadalupe fur seal 
B)  elephant seal 
C)  Steller's sea lion 
D)  leopard seal 
E)  harbor seal

Question 15

Match the food with the closely associated predator.
-Walruses

Accepted Answer

A) crustaceans, molluscs and echinoderms 
B) fish 
C) sea urchins 
D) water plants 
A) crustaceans, molluscs and echinoderms 
B) fish 
C) sea urchins 
D) water plants

Question 16

Sea otters consume nearly ____% of their body weight per day.

Accepted Answer

A)  10 
B)  25 
C)  30 
D)  40 
E)  50 
A)  10 
B)  25 
C)  30 
D)  40 
E)  50

Question 17

Match the food with the closely associated predator.
-Eared Seals

Accepted Answer

A) crustaceans, molluscs and echinoderms 
B) fish 
C) sea urchins 
D) water plants 
A) crustaceans, molluscs and echinoderms 
B) fish 
C) sea urchins 
D) water plants

Question 18

The melon of dolphins and other toothed whales is used for:

Accepted Answer

A)  storage of food. 
B)  protecting the brain. 
C)  focusing sound pulses. 
D)  receiving sound pulses. 
E)  producing sounds. 
A)  storage of food. 
B)  protecting the brain. 
C)  focusing sound pulses. 
D)  receiving sound pulses. 
E)  producing sounds.

Question 19

True seals rely on their hindlimbs for forward swimming propulsion.

Accepted Answer

A) True 
 B)False

Question 20

Match the population characteristic with the species.
-Sperm whale

Accepted Answer

A) endangered 
B) extinct 
C) population size 1.8 million 
D) population size 22,000 
A) endangered 
B) extinct 
C) population size 1.8 million 
D) population size 22,000

The leopard seal's primary predator is called the:

Whales, dolphins, and porpoises all belong to the order:

Match the possible importance of a whale behavior with its most closely associated behavior. -Flipper Flapping

In eared seals, the main propulsive force for swimming is produced by the:

Pinnipeds molt

It is believed that cetaceans evolved from:

In eared seals, the hindlimbs can rotate at right angles to the body and can be used for walking on land.

Myoglobin is a protein found in the muscles of cetaceans that:

Describe the fossil and embryological evidence for the terrestrial origins of cetaceans.

Match the food item with the animal that consumes it. -Toothed Whales

Describe at least 3 adaptations of modern whales adapted for a completely aquatic existence.

Breaching is the name given to the activity of whales when they:

Sea lions have shorter lactation periods than true seals.

The ____ feeds on penguins and other seals.

Match the food with the closely associated predator. -Walruses

Sea otters consume nearly ____% of their body weight per day.

Match the food with the closely associated predator. -Eared Seals

The melon of dolphins and other toothed whales is used for:

True seals rely on their hindlimbs for forward swimming propulsion.

Match the population characteristic with the species. -Sperm whale

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

The leopard seal's primary predator is called the:

Whales, dolphins, and porpoises all belong to the order:

Match the possible importance of a whale behavior with its most closely associated behavior. -Flipper Flapping

In eared seals, the main propulsive force for swimming is produced by the:

Pinnipeds molt

It is believed that cetaceans evolved from:

In eared seals, the hindlimbs can rotate at right angles to the body and can be used for walking on land.

Myoglobin is a protein found in the muscles of cetaceans that:

Describe the fossil and embryological evidence for the terrestrial origins of cetaceans.

Match the food item with the animal that consumes it. -Toothed Whales

Describe at least 3 adaptations of modern whales adapted for a completely aquatic existence.

Breaching is the name given to the activity of whales when they:

Sea lions have shorter lactation periods than true seals.

The ____ feeds on penguins and other seals.

Match the food with the closely associated predator. -Walruses

Sea otters consume nearly ____% of their body weight per day.

Match the food with the closely associated predator. -Eared Seals

The melon of dolphins and other toothed whales is used for:

True seals rely on their hindlimbs for forward swimming propulsion.

Match the population characteristic with the species. -Sperm whale

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