Fish

 

Name: 

Fish


 

True/False
Indicate whether the sentence or statement is true or false.
 

1. 

Lobe-finned fishes were the ancestors of amphibians.
 

2. 

Small, jawed fishes are the first vertebrates for which there is fossil evidence.
 

3. 

Fishes and amphibians first appeared on Earth during the Cambrian period, about 550 million years ago.
 

4. 

A fish’s gills would collapse on land.
 

5. 

Since they live in salt water, marine fishes do not have a problem maintaining the proper balance of water and salt in their body.
 

6. 

The first fishes to develop jaws were called spiny fishes, members of the class Acanthodia.
 

7. 

Sharks have good vision and can detect electromagnetic fields coming from prey animals.
 

8. 

Members of the class Osteichthyes have skeletons of cartilage.
 

9. 

Bony fishes have a swim bladder.
 

10. 

In order to fill their swim bladders, bony fishes have to come to the surface to gulp air.
 

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

11. 

Which of the following would not be an advantage of the endoskeleton found in all vertebrates?
a.
It protects internal body structures.
b.
It aids in movement.
c.
It helps prevent desiccation in terrestrial vertebrates.
d.
It provides structural support in terrestrial vertebrates.
 

12. 

The urinary bladder and kidneys make up the ____ of a fish.
a.
respiratory system.
c.
excretory system.
b.
digestive system.
d.
circulatory system.
 

13. 

The first vertebrates
a.
were jawless fishes.
b.
had thick, bony plates that covered their bodies.
c.
had no well-developed vertebral column.
d.
All of the above
 

14. 

placoderms : armor ::
a.
bony fishes : cartilaginous skeleton
b.
sharks : no teeth
c.
lampreys : jaws
d.
sharks and bony fishes : streamlined bodies
 

15. 

bony fishes : stronger muscles ::
a.
bony fishes : lungs
c.
sharks : ray fins
b.
sharks : bony skeleton
d.
sharks : rows of teeth
 

16. 

Which of the following senses is not used by sharks to detect prey?
a.
olfaction
c.
lateral-line system
b.
vision
d.
touch
 

17. 

The eggs of many species of sharks
a.
are released from the mother’s body before fertilization.
b.
are released from the mother’s body after fertilization.
c.
are released from the mother’s body after developing into young embryos.
d.
hatch inside the mother’s body, where the young sharks continue to grow.
 

18. 

Members of the class Osteichthyes
a.
have skeletons made of bone.
c.
include the rays and skates.
b.
do not have jaws.
d.
All of the above
 

19. 

A collection chamber that reduces the resistance of blood flow into the heart of a fish is called the
a.
sinus venosus.
c.
conus arteriosus.
b.
ventricle.
d.
atrium.
 

20. 

The countercurrent flow of water and blood found in the gills of fishes
a.
allows blood and water to flow in the same direction.
b.
ensures that oxygen diffuses into the blood over the whole length of the blood vessels in the gills.
c.
results in an uneven supply of oxygen reaching the blood vessels in the gills.
d.
hampers the diffusion of oxygen and carbon dioxide between the blood and the water.
 


 
Check Your Work     Reset