Chapter 30:
Fishes and Amphibians
Practice Test
1.
A fish with a flat body, a cartilaginous skeleton, and broad pectoral fins is called a __________.
a.
hagfish
b.
eel
c.
shark
d.
ray
Hint
2.
Sharks and rays have __________.
a.
internal fertilization
b.
asexual fertilization
c.
mouth-brooding
d.
external fertilization
Hint
3.
Most fishes have skin covered by overlapping rows of __________.
a.
spines
b.
ectoderm
c.
fins
d.
scales
Hint
4.
In a two-chambered heart, one chamber pumps blood to gills, where oxygen is picked up and carbon dioxide is released, while the other chamber __________.
a.
stores deoxygenated blood
b.
receives deoxygenated blood from the tissues
c.
stores oxygenated blood
d.
pumps oxygenated blood to the body
Hint
5.
The development of separate vertebrae provided __________.
a.
more efficient gas exchange
b.
large bone growth
c.
better sensory abilities
d.
great flexibility
Hint
6.
Salamanders resemble lizards except for having smooth, moist skin and lacking __________.
a.
jaws
b.
eggs
c.
claws
d.
tails
Hint
7.
Having jaws and being able to eat large chunks of food enables fishes to __________.
a.
circulate blood
b.
spawn
c.
grow larger
d.
accomplish more efficient gas exchange
Hint
8.
Amphibian eggs lack shells and must be laid __________.
a.
above the tide line
b.
in water
c.
on land
d.
below the tide line
Hint
9.
Cartilaginous gill arches of early jawless fishes evolved into __________.
a.
scales
b.
skin
c.
gills
d.
jaws
Hint
10.
Which of the following fishes has poison glands?
a.
pike
b.
shark
c.
lamprey
d.
ray
Hint
11.
A tough, flexible material from which the skeletons of jawless fishes are made is called __________.
a.
endoderm
b.
cartilage
c.
exoskeleton
d.
bone
Hint
12.
Biologists think that modern cartilaginous and bony fishes evolved from __________.
a.
placoderms
b.
echinoderms
c.
ostracoderms
d.
early amphibians
Hint
13.
In most fishes, fertilization is __________.
a.
internal
b.
asexual
c.
external
d.
hermaphroditic
Hint
14.
In fishes, fan-shaped membranes that are supported by stiff spines and are used for swimming are called __________.
a.
cartilage
b.
rays
c.
fins
d.
scales
Hint
15.
Bony fishes have skeletons made of __________.
a.
endoderm
b.
scales
c.
cartilage
d.
bone
Hint
