Deck 8: Marine Fishes

Question 1

In many sharks,extra buoyancy is provided by the:

A)Dorsal fin.
B)Swim bladder.
C)Liver.
D)Mouth.
E)Gills.

Answer 1

C

Question 2

The caudal fin of sharks is located on:

A)At the tail end.
B)Dorsal surface close to the tail.
C)Ventral surface close to the tail.
D)Ventral surface close to the mouth.
E)Dorsal surface close to the mouth.

Answer 2

A

Question 3

Demersal fishes:

A)Live on the surface of the water.
B)Feed on plankton.
C)Are parasites.
D)Are parts of the plankton.
E)Live on the bottom.

Answer 3

E

Question 4

One of the following is not a characteristic of all chordates:

A)Complete digestive system.
B)Backbone.
C)Notochord.
D)Dorsal nerve cord.
E)Bilateral symmetry.

Question 5

Which of the following structures do bony fish have that sharks and rays do not?

A)Dorsal fin.
B)Pectoral fin.
C)Gill slits.
D)An operculum.
E)Notochord.

Question 6

The heart of all fishes has how many chambers?

A)One
B)Two
C)Three
D)Four

Question 7

Rays and skates typically feed on:

A)Plankton.
B)Seaweeds.
C)Large fishes.
D)Organic matter that accumulates on the bottom.
E)Small animals that live on the bottom.

Question 8

Chemical digestion in fishes usually begins in the:

A)Mouth.
B)Esophagus.
C)Stomach.
D)Liver.
E)Intestine.

Question 9

Fishes with a small mouth located at the end of a long,thin "bill" are more likely to feed on:

A)Large seaweeds such as kelp.
B)Larger fishes.
C)Plankton that is filtered from the water.
D)Very small animals.
E)Other fish of the same species.

Question 10

Because of the greater flexibility of their pectoral fins many bony fish can swim ___________ while sharks cannot.

A)Forward
B)Vertically
C)Latterally
D)Backwards

Question 11

The bright color of many fishes is the result of:

A)Countershading.
B)Chromatophores.
C)Disruptive coloration.
D)Warning coloration.
E)Algae that grow on the scales.

Question 12

Many fish and marine mammals have a protein called myoglobin which helps them store extra oxygen in their:

A)Blood.
B)Livers.
C)Muscles.
D)Digestive systems.

Question 13

Which of these is an example of a jawless fish:

A)Ray.
B)Shark.
C)Hagfish.
D)Whale shark.
E)Skate.

Question 14

When a particular color pattern allows animals like fishes to blend with their surroundings it is referred to as:

A)Cryptic coloration.
B)Warning coloration.
C)Defensive color.
D)Countershading.
E)Structural color.

Question 15

The gill rakers are involved in which of the following?

A)Protecting gills
B)Filtering food in filter feeding fishes
C)Extracting extra oxygen from the water
D)Providing extra buoyancy
E)Defense

Question 16

One particular feature found in bony fishes but is absent in cartilaginous fishes:

A)Scales.
B)Gills.
C)Swim bladder.
D)Pectoral fin.
E)Skeleton.

Question 17

In fishes,as in all vertebrates,the function of the liver is to:

A)Absorb nutrients.
B)Produce saliva.
C)Aid in the digestion of plant material.
D)Secrete hormones.
E)Produce bile,which is used in the digestion of fats.

Question 18

Basking sharks feed on:

A)Plankton.
B)Small fishes.
C)Large fishes such as sharks.
D)Marine mammals such as seals.
E)Dead animals.

Question 19

The group of vertebrates containing the largest number of species is:

A)Mammals.
B)Amphibians.
C)Birds.
D)Fishes.
E)Reptiles.

Question 20

The whale shark feeds on:

A)Plankton.
B)Large fishes.
C)Small fishes.
D)Organic matter from the bottom.
E)Bottom-dwelling fishes and clams.

Question 21

Open-water fish have light-colored bellies and dark-colored backs in order to blend into the pelegic environment.This is known as:

A)Disruptive coloration.
B)Countershading.
C)Structural coloration.
D)Iridescence.

Question 22

Ovoviviparous fishes:

A)Release eggs,which are then fertilized in the water.
B)Have embryos that take nutrients from the mother's reproductive tract.
C)Release already fertilized but undeveloped eggs.
D)Release sperm in packets.
E)Retain fertilized eggs for development.

Question 23

The purpose of the lateral line in fishes:

A)Producing sound waves.
B)Seeing particular colors.
C)Detecting vibrations.
D)Carrying blood along skin.
E)Ingestion of food in rays.

Question 24

The function of arteries in fishes,as in all vertebrates,is to:

A)Carry oxygenated blood from the heart to the rest of the body.
B)Circulate blood around the gills.
C)Bring blood from the body to the heart.
D)Collect deoxygenated blood from gills.
E)Carry deoxygenated blood from the heart to the brain.

Question 25

One of the following is a synonym of spawning by releasing gametes into the environment:

A)Copulation.
B)Internal fertilization.
C)External fertilization.
D)Mating.
E)Courtship.

Question 26

The nictitating membrane of sharks:

A)Produces sound.
B)Detects chemicals in water.
C)Detects vibrations in water.
D)Is involved in digestion.
E)Moves across the eye.

Question 27

A group behavior that is much more common in bony fish than cartilaginous fish is:

A)Territoriality.
B)Homing.
C)Schooling.
D)Migration.

Question 28

Most marine fishes are:

A)Live-bearers.
B)Ovoviviparous.
C)Viviparous.
D)Oviparous.
E)Catadromous.

Question 29

Anadromous fishes migrate:

A)Up and down the water column.
B)From fresh water to reproduce at sea.
C)From polar regions to the tropics.
D)From the sea to reproduce in freshwater.
E)Along the Equator to reproduce along the coast.

Question 30

Spiracles are involved in:

A)Filter feeding.
B)Removing additional oxygen from the water.
C)Increasing the surface area of the shark's intestine.
D)Carrying additional blood to the heart.
E)Allowing fishes like rays to take in water even when the mouth is buried in sediment.

Question 31

Oxygen is carried in the blood of fishes by what protein?

A)Hemoglobin
B)Urea
C)Salts
D)Myoglobin
E)Chloride ions

Question 32

An example of a catadromous fish:

A)Whale shark.
B)Atlantic eel.
C)Parrotfish.
D)Pacific salmon.
E)Atlantic salmon.

Question 33

Broadcast spawning in fish refers to:

A)Internal fertilization.
B)External fertilization.
C)Courtship behavior.
D)The use of claspers.

Question 34

The counter-current system of flow is involved in:

A)Increasing blood flow into gills.
B)Decreasing the time it takes for blood to flow through gills.
C)Increasing the amount of oxygen that diffuses into the blood.
D)Increasing the efficiency of the movement of gills.
E)Increasing heart rate.

Question 35

The claspers are structures involved in:

A)Copulation.
B)Osmoregulation.
C)Courtship behavior.
D)Detection of vibrations in water.
E)Intake of oxygen by gills.