Question 1

Match the swim bladder filling mechanism with the appropriate term.
-Herrings and eels

Accepted Answer

A) gulping air and "spitting it out" 
B) gas gland 
A) gulping air and "spitting it out" 
B) gas gland

Question 2

Unlike cartilaginous fishes, bony fishes do not have a keen sense of smell.

Accepted Answer

A) True 
 B)False

Question 3

The kidneys of sharks excrete ions of:

Accepted Answer

A)  urea. 
B)  salts. 
C)  calcium and magnesium. 
D)  trimethyamine oxide. 
E)  ammonia. 
A)  urea. 
B)  salts. 
C)  calcium and magnesium. 
D)  trimethyamine oxide. 
E)  ammonia.

Question 4

Snappers swim by:

Accepted Answer

A)  flexing only the area before the caudal fin. 
B)  flexing only the posterior portion of the body. 
C)  using only their fins. 
D)  undulating the entire body. 
A)  flexing only the area before the caudal fin. 
B)  flexing only the posterior portion of the body. 
C)  using only their fins. 
D)  undulating the entire body.

Question 5

How are the eyes of sharks well adapted to the environment in which they live?

Accepted Answer

In the marine environment colors, especi

Question 6

Fishes that are very active swimmers have a ____ body.

Accepted Answer

A)  fusiform 
B)  laterally compressed 
C)  globular 
D)  flattened 
E)  dorso-ventrally compressed 
A)  fusiform 
B)  laterally compressed 
C)  globular 
D)  flattened 
E)  dorso-ventrally compressed

Question 7

How can sharks use their ampullae of Lorenzini to discern between healthy and injured prey items?

Accepted Answer

All living organisms put out low-level e

Question 8

The lateral line is part of the system to

Accepted Answer

A)  process light. 
B)  sense electrical currents in the water. 
C)  control balance. 
D)  detect vibrations. 
E)  detect dissolved substances. 
A)  process light. 
B)  sense electrical currents in the water. 
C)  control balance. 
D)  detect vibrations. 
E)  detect dissolved substances.

Question 9

Match the hermaphroditism with the appropriate term.
-Protogyny

Accepted Answer

A) Changing from females to males 
B) Having both male and female gonads simultaneously 
C) Changing from males to females 
D) Changing from one sex to another 
A) Changing from females to males 
B) Having both male and female gonads simultaneously 
C) Changing from males to females 
D) Changing from one sex to another

Question 10

Most skates are:

Accepted Answer

A)  ovoviviparous. 
B)  oviparous. 
C)  live bearers. 
D)  viviparous. 
E)  broadcast spawners. 
A)  ovoviviparous. 
B)  oviparous. 
C)  live bearers. 
D)  viviparous. 
E)  broadcast spawners.

Question 11

Sharks are positively buoyant in seawater.

Accepted Answer

A) True 
 B)False

Question 12

A defense mechanism of hagfish is ____.

Accepted Answer

A)  to tie into a knot to prevent them from being swallowed. 
B)  foul odor. 
C)  abundant mucus. 
D)  detection by the semicircular canals followed by avoidance. 
E)  a sharp fin spine. 
A)  to tie into a knot to prevent them from being swallowed. 
B)  foul odor. 
C)  abundant mucus. 
D)  detection by the semicircular canals followed by avoidance. 
E)  a sharp fin spine.

Question 13

Match the swim bladder filling mechanism with the appropriate term.
-Gases diffused into blood

Accepted Answer

A) gulping air and "spitting it out" 
B) gas gland 
A) gulping air and "spitting it out" 
B) gas gland

Question 14

Sharks obtain neutral buoyancy by producing an oil called:

Accepted Answer

A)  buoyancy. 
B)  squalene. 
C)  Omega-3. 
D)  fish oil. 
E)  ambergris. 
A)  buoyancy. 
B)  squalene. 
C)  Omega-3. 
D)  fish oil. 
E)  ambergris.

Question 15

Match the body form with its most closely associated species.
-Pufferfish

Accepted Answer

A) flattened 
B) snakelike bodies 
C) fusiform 
D) globular 
A) flattened 
B) snakelike bodies 
C) fusiform 
D) globular

Question 16

Most bony fishes are considered to be much more efficient at maneuvering than cartilaginous fishes. Explain why this is so and how it arose.

Accepted Answer

Many bony fishes, such as those that liv

Question 17

The gill rakers of anchovies are modified for:

Accepted Answer

A)  respiration. 
B)  excretion of salts. 
C)  filtering plankton. 
D)  crushing their fish prey. 
E)  detecting vibrations in the water column. 
A)  respiration. 
B)  excretion of salts. 
C)  filtering plankton. 
D)  crushing their fish prey. 
E)  detecting vibrations in the water column.

Question 18

The annual risk of death from lighting is 47 times the risk of death from shark attack.

Accepted Answer

A) True 
 B)False

Question 19

The eyes of sharks are designed for optimal color vision.

Accepted Answer

A) True 
 B)False

Question 20

How do marine biologists know that sharks and bony fishes evolved in freshwater but then later migrated to the marine environment?

Accepted Answer

Both sharks and bony fishes are hypoosmo

Match the swim bladder filling mechanism with the appropriate term. -Herrings and eels

Unlike cartilaginous fishes, bony fishes do not have a keen sense of smell.

The kidneys of sharks excrete ions of:

Snappers swim by:

How are the eyes of sharks well adapted to the environment in which they live?

Fishes that are very active swimmers have a ____ body.

How can sharks use their ampullae of Lorenzini to discern between healthy and injured prey items?

The lateral line is part of the system to

Match the hermaphroditism with the appropriate term. -Protogyny

Most skates are:

Sharks are positively buoyant in seawater.

A defense mechanism of hagfish is ____.

Match the swim bladder filling mechanism with the appropriate term. -Gases diffused into blood

Sharks obtain neutral buoyancy by producing an oil called:

Match the body form with its most closely associated species. -Pufferfish

Most bony fishes are considered to be much more efficient at maneuvering than cartilaginous fishes. Explain why this is so and how it arose.

The gill rakers of anchovies are modified for:

The annual risk of death from lighting is 47 times the risk of death from shark attack.

The eyes of sharks are designed for optimal color vision.

How do marine biologists know that sharks and bony fishes evolved in freshwater but then later migrated to the marine environment?

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

Reptiles and Birds

Marine Mammals

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 10: Marine Fishes

Match the swim bladder filling mechanism with the appropriate term. -Herrings and eels

Unlike cartilaginous fishes, bony fishes do not have a keen sense of smell.

The kidneys of sharks excrete ions of:

Snappers swim by:

How are the eyes of sharks well adapted to the environment in which they live?

Fishes that are very active swimmers have a ____ body.

How can sharks use their ampullae of Lorenzini to discern between healthy and injured prey items?

The lateral line is part of the system to

Match the hermaphroditism with the appropriate term. -Protogyny

Most skates are:

Sharks are positively buoyant in seawater.

A defense mechanism of hagfish is ____.

Match the swim bladder filling mechanism with the appropriate term. -Gases diffused into blood

Sharks obtain neutral buoyancy by producing an oil called:

Match the body form with its most closely associated species. -Pufferfish

Most bony fishes are considered to be much more efficient at maneuvering than cartilaginous fishes. Explain why this is so and how it arose.

The gill rakers of anchovies are modified for:

The annual risk of death from lighting is 47 times the risk of death from shark attack.

The eyes of sharks are designed for optimal color vision.

How do marine biologists know that sharks and bony fishes evolved in freshwater but then later migrated to the marine environment?

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

Reptiles and Birds

Marine Mammals

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