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