Name ______________________________ Class___________________Date__________________
Assessment
Chapter Test B
Fishes, Amphibians, and Reptiles
USING KEY TERMS
Use the terms from the following list to complete the sentences below. Each term
may be used only once. Some terms may not be used.
endotherm
lateral line
metamorphosis
amniotic egg
gill
ectotherm
1. The organ that allows fish to exchange oxygen from the water with carbon
dioxide from the blood is the ______________________.
2. A reptile’s most important adaptation to life on land is the
______________________.
3. Tiny rows of sense organs that detect vibrations in the water are called the
______________________ system.
4. An animal that can regulate its own body temperature is called a(n)
______________________.
5. An amphibian’s change from an immature form to an adult form is called
.______________________
UNDERSTANDING KEY IDEAS
Write the letter of the correct answer in the space provided.
_____ 6. What is the embryonic structure in chordates that is usually replaced by
a backbone?
a. hollow nerve cord
b. notochord
c. pharyngeal pouch
d. tail
_____ 7. Which of the following is a member of the largest class of fishes?
a. goldfish
b. lamprey
c. shark
d. hagfish
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Fishes, Amphibians, and Reptiles
Name ______________________________ Class___________________Date__________________
Chapter Test B continued
Write the letter of the correct answer in the space provided.
_____ 8. What saclike organ in amphibians takes oxygen from the air and
exchanges it with carbon dioxide from the blood?
a. pharyngeal pouch
b. lung
c. gill
d. swim bladder
_____ 9. Which meat-eating reptile with a narrow head and pointed snout spends
most of its time in the water?
a. lizard
b. alligator
c. crocodile
d. tuatara
_____ 10. When a female fish lays unfertilized eggs in the water and the male
drops sperm on them, it is called
a. external fertilization.
b. internal fertilization.
c. embryonic fertilization.
d. amniotic fertilization.
11. Describe how the characteristics of fishes help them to live in the water.
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
12. Identify and describe the stages in the metamorphosis of an ordinary frog.
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
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Fishes, Amphibians, and Reptiles
Name ______________________________ Class___________________Date__________________
Chapter Test B continued
13. Reptiles are entirely adapted for life on land. Describe these adaptations.
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
CRITICAL THINKING
14. At the zoo, you see an unusual four-legged, hairless animal. It is smaller than
your hand and lives in a hole in the ground in a darkened display case. One of
the zoo assistants allows you to reach into the display and touch the animal.
Although the ground and air in the display are cool, the animal feels warm to
the touch. Is this strange animal likely to be an ectotherm or an endotherm?
Why do you think so?
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
15. Compare the special adaptations of fish, amphibians, and reptiles, and describe
how these adaptations help each survive.
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
16. Amphibians are often called ecological indicators. Keeping in mind
amphibians’ characteristics, what kinds of environmental damage do you think
are most likely to lead to the loss of amphibian species?
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
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Fishes, Amphibians, and Reptiles
Name ______________________________ Class___________________Date__________________
Chapter Test B continued
CONCEPT MAPPING
17. Use the following terms to complete the concept map below:
oily livers
jawless fishes
cartilaginous fishes
hard scales
bony fishes
smooth and slimy skin
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Fishes, Amphibians, and Reptiles