Question 1

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

Accepted Answer

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. 
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 2

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

Accepted Answer

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. 
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 3

The caudal fin of sharks is located on:

Accepted Answer

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. 
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.

Question 4

The counter-current system of flow is involved in:

Accepted Answer

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. 
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 5

Most marine fishes are:

Accepted Answer

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

Question 6

The purpose of the lateral line in fishes:

Accepted Answer

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

Question 7

Which of these is an example of a jawless fish:

Accepted Answer

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

Question 8

In many sharks,extra buoyancy is provided by the:

Accepted Answer

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

Question 9

Ovoviviparous fishes:

Accepted Answer

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. 
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 10

The gill rakers are involved in which of the following?

Accepted Answer

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

Question 11

Chemical digestion in fishes usually begins in the:

Accepted Answer

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

Question 12

Broadcast spawning in fish refers to:

Accepted Answer

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

Question 13

The nictitating membrane of sharks:

Accepted Answer

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

Question 14

Rays and skates typically feed on:

Accepted Answer

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

Question 15

Basking sharks feed on:

Accepted Answer

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

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

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

The caudal fin of sharks is located on:

The counter-current system of flow is involved in:

Most marine fishes are:

The purpose of the lateral line in fishes:

Which of these is an example of a jawless fish:

In many sharks,extra buoyancy is provided by the:

Ovoviviparous fishes:

The gill rakers are involved in which of the following?

Chemical digestion in fishes usually begins in the:

Broadcast spawning in fish refers to:

The nictitating membrane of sharks:

Rays and skates typically feed on:

Basking sharks feed on:

The Science of Marine Biology

The Sea Floor

Chemical and Physical Features of Seawater and the World Ocean

Fundamentals of Biology

The Microbial World

Multicellular Primary Producers: Seaweeds and Plants

Marine Animals Without a Backbone

Marine Reptiles, Birds, and Mammals

An Introduction to Marine Ecology

Between the Tides

Estuaries: Where Rivers Meet the Sea

Life on the Continental Shelf

Coral Reefs

Life Near the Surface

The Ocean Depths

Resources From the Sea

The Impact of Humans on the Marine Environment

The Oceans and Human Affairs

Filters

Exam 8: Marine Fishes

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

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

The caudal fin of sharks is located on:

The counter-current system of flow is involved in:

Most marine fishes are:

The purpose of the lateral line in fishes:

Which of these is an example of a jawless fish:

In many sharks,extra buoyancy is provided by the:

Ovoviviparous fishes:

The gill rakers are involved in which of the following?

Chemical digestion in fishes usually begins in the:

Broadcast spawning in fish refers to:

The nictitating membrane of sharks:

Rays and skates typically feed on:

Basking sharks feed on:

The Science of Marine Biology

The Sea Floor

Chemical and Physical Features of Seawater and the World Ocean

Fundamentals of Biology

The Microbial World

Multicellular Primary Producers: Seaweeds and Plants

Marine Animals Without a Backbone

Marine Reptiles, Birds, and Mammals

An Introduction to Marine Ecology

Between the Tides

Estuaries: Where Rivers Meet the Sea

Life on the Continental Shelf

Coral Reefs

Life Near the Surface

The Ocean Depths

Resources From the Sea

The Impact of Humans on the Marine Environment

The Oceans and Human Affairs

Filters