Question 1

Which set of fins is used for turning and breaking?

Accepted Answer

A) anal and caudal 
B) anal and dorsal 
C) caudal and dorsal 
D) caudal and pelvic 
E) pectoral and pelvic 
A) anal and caudal 
B) anal and dorsal 
C) caudal and dorsal 
D) caudal and pelvic 
E) pectoral and pelvic

Question 2

The speed of a fish is closely related to its:

Accepted Answer

A) aspect ratio. 
B) length. 
C) number of fins. 
D) size of tail. 
E) width. 
A) aspect ratio. 
B) length. 
C) number of fins. 
D) size of tail. 
E) width.

Question 3

The muscle tissue of a "lunger" is predominantly:

Accepted Answer

A) blue. 
B) gray. 
C) pink. 
D) red. 
E) white. 
A) blue. 
B) gray. 
C) pink. 
D) red. 
E) white.

Question 4

Match between columns
                        Premises: yellowtail snapper
gray angelfish
salmon
herring
tiger shark
bluefin tuna
queen angel
silvertip shark
flounder
blue marlin

Accepted Answer

The Answer of rounded caudal fin and forked caudal fin is...

Question 5

Many cetaceans can extract 90% of the oxygen from each breath.

Accepted Answer

A) True 
 B)False

Question 6

Strategies for staying afloat in pelagic environments include air bladder,increased body fat,and increased density.

Accepted Answer

A) True 
 B)False

Question 7

We currently believe that all marine mammals evolved from land-dwelling mammals.

Accepted Answer

A) True 
 B)False

Question 8

The fin(s)that have been modified in rays and skates for efficient movement is (are)the:

Accepted Answer

A) anal fin. 
B) caudal fin. 
C) dorsal fin. 
D) pectoral fins. 
E) pelvic fin. 
A) anal fin. 
B) caudal fin. 
C) dorsal fin. 
D) pectoral fins. 
E) pelvic fin.

Question 9

A modified circulatory system in tuna helps it:

Accepted Answer

A) cruise for long periods of time. 
B) maintain a relatively high body temperature. 
C) minimize heat loss. 
D) swim very fast for short periods of time. 
E) All of the above statements are a result of modified circulation in tuna. 
A) cruise for long periods of time. 
B) maintain a relatively high body temperature. 
C) minimize heat loss. 
D) swim very fast for short periods of time. 
E) All of the above statements are a result of modified circulation in tuna.

Question 10

Sea lions are easily distinguished from seals because they:

Accepted Answer

A) cannot rotate their anterior flippers backward. 
B) cannot rotate their anterior flippers forward. 
C) have external ears. 
D) have a short neck. 
E) use their posterior flippers for swimming. 
A) cannot rotate their anterior flippers backward. 
B) cannot rotate their anterior flippers forward. 
C) have external ears. 
D) have a short neck. 
E) use their posterior flippers for swimming.

Question 11

One adaptation for deep diving is an increase in heart rate during the dive.

Accepted Answer

A) True 
 B)False

Question 12

The migration routes of marine fishes and mammals are well known by man.

Accepted Answer

A) True 
 B)False

Question 13

Which set of fins is used as stabilizers?

Accepted Answer

A) anal and caudal 
B) anal and dorsal 
C) caudal and dorsal 
D) caudal and pelvic 
E) pectoral and pelvic 
A) anal and caudal 
B) anal and dorsal 
C) caudal and dorsal 
D) caudal and pelvic 
E) pectoral and pelvic

Question 14

Which of the following affect the ability of species to capture food?

Accepted Answer

A) body length 
B) body temperature 
C) circulatory system 
D) speed 
E) All of the above affect the ability of pelagic organisms to capture food. 
A) body length 
B) body temperature 
C) circulatory system 
D) speed 
E) All of the above affect the ability of pelagic organisms to capture food.

Question 15

All of the following are adaptations to life in the epipelagic zone except:

Accepted Answer

A) gas-filled bladders. 
B) increased density. 
C) increased surface area. 
D) long appendages. 
E) spines. 
A) gas-filled bladders. 
B) increased density. 
C) increased surface area. 
D) long appendages. 
E) spines.

Question 16

Sharks have lunate caudal fins.

Accepted Answer

A) True 
 B)False

Question 17

Some fish maintain body temperatures significantly higher than the surrounding water using a modified circulatory countercurrent heat exchange system between muscle and blood vessels.

Accepted Answer

A) True 
 B)False

Question 18

Red muscles fiber is abundant in cruisers,while white muscle fiber is abundant in lungers.

Accepted Answer

A) True 
 B)False

Question 19

All of the following are adaptations of mesopelagic fishes except:

Accepted Answer

A) Extensible jaws. 
B) Large mouths 
C) Large body. 
D) Nonspecific diet. 
E) Sharp,needle-like teeth 
A) Extensible jaws. 
B) Large mouths 
C) Large body. 
D) Nonspecific diet. 
E) Sharp,needle-like teeth

Which set of fins is used for turning and breaking?

The speed of a fish is closely related to its:

The muscle tissue of a "lunger" is predominantly:

Many cetaceans can extract 90% of the oxygen from each breath.

Strategies for staying afloat in pelagic environments include air bladder,increased body fat,and increased density.

We currently believe that all marine mammals evolved from land-dwelling mammals.

The fin(s)that have been modified in rays and skates for efficient movement is (are)the:

A modified circulatory system in tuna helps it:

Sea lions are easily distinguished from seals because they:

One adaptation for deep diving is an increase in heart rate during the dive.

The migration routes of marine fishes and mammals are well known by man.

Which set of fins is used as stabilizers?

Which of the following affect the ability of species to capture food?

All of the following are adaptations to life in the epipelagic zone except:

Sharks have lunate caudal fins.

Some fish maintain body temperatures significantly higher than the surrounding water using a modified circulatory countercurrent heat exchange system between muscle and blood vessels.

Red muscles fiber is abundant in cruisers,while white muscle fiber is abundant in lungers.

All of the following are adaptations of mesopelagic fishes except:

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Exam 14: Animals of the Pelagic Environment

Which set of fins is used for turning and breaking?

The speed of a fish is closely related to its:

The muscle tissue of a "lunger" is predominantly:

Many cetaceans can extract 90% of the oxygen from each breath.

Strategies for staying afloat in pelagic environments include air bladder,increased body fat,and increased density.

We currently believe that all marine mammals evolved from land-dwelling mammals.

The fin(s)that have been modified in rays and skates for efficient movement is (are)the:

A modified circulatory system in tuna helps it:

Sea lions are easily distinguished from seals because they:

One adaptation for deep diving is an increase in heart rate during the dive.

The migration routes of marine fishes and mammals are well known by man.

Which set of fins is used as stabilizers?

Which of the following affect the ability of species to capture food?

All of the following are adaptations to life in the epipelagic zone except:

Sharks have lunate caudal fins.

Some fish maintain body temperatures significantly higher than the surrounding water using a modified circulatory countercurrent heat exchange system between muscle and blood vessels.

Red muscles fiber is abundant in cruisers,while white muscle fiber is abundant in lungers.

All of the following are adaptations of mesopelagic fishes except:

Introduction to Planet Earth

Plate Tectonics and the Ocean Floor

Marine Provinces

Marine Sediments

Water and Seawater

Air-Sea Interface

Ocean Circulation

Waves and Water Dynamics

Tides

The Coast: Beaches and Shoreline Processes

The Coastal Oceans

Marine Life and the Marine Environment

Biological Productivity and Energy Transfer

Animals of the Benthic Environment

Filters