Quiz Ch. IX

Results ReporterOut of 15 questions, you answered 15 correctly, for a final grade of 100%.
15 correct (100%)
0 incorrect (0%)
0 unanswered (0%)
Your Results:
The correct answer for each question is indicated by a .
1
CORRECT
Marine tetrapod vertebrates do not have
A)
shelled eggs.
B)
feathers.
C)
flippers.
D)
gills.
2
CORRECT
Besides humans, sea turtles are eaten by
A)
killer whales.
B)
great white sharks.
C)
land crabs and birds.
D)
sea snakes.
3
CORRECT
Sea turtles swim by means of
A)
a large tail.
B)
flippers.
C)
flukes.
D)
undulation.
4
CORRECT
The most dangerous marine reptile is the
A)
marine iguana.
B)
Komodo dragon.
C)
sea snake.
D)
saltwater crocodile.
5
CORRECT
A penguin's wings are used for
A)
long-distance flying.
B)
hopping.
C)
swimming.
D)
walking.
6
CORRECT
A tubenose bird can be told from a gull by its
A)
long neck.
B)
pouch.
C)
salt glands.
D)
heavy beak.
7
CORRECT
Seals retain body heat by means of
A)
thick fur.
B)
blubber.
C)
oil glands.
D)
down.
8
CORRECT
Unlike a true seal, a sea lion has
A)
external ears.
B)
mammary glands.
C)
paddle-shaped flippers.
D)
a pair of tusks.
9
CORRECT
Among the great whales, the one that eats squid is the
A)
blue.
B)
gray.
C)
sperm.
D)
humpback.
10
CORRECT
Dolphins are not able to
A)
learn from observation.
B)
use echolocation.
C)
form complex societies.
D)
filter food through bristles in the mouth.
11
CORRECT
Gray whales migrate
A)
to the north to give birth.
B)
to the south to give birth.
C)
to Hawaii to mate.
D)
to Antarctica to feed.
12
CORRECT
Harems are found in
A)
elephant seals.
B)
sea otters.
C)
killer whales.
D)
manatees.
13
CORRECT
Adaptations for deep diving in marine mammals do not include which of these?
A)
light-producing organs
B)
oxygen storage in muscles
C)
collapsible lungs
D)
efficient air exchange at the surface
14
CORRECT
If a can of tuna bears a "dolphin-safe" label, it means that
A)
the country of origin does not use drift nets.
B)
the quota of dolphins killed while fishing is regulated by the IWC.
C)
fishing was conducted using special purse seine nets.
D)
the tuna were taken by American fishermen.
15
CORRECT
Manatees eat
A)
seagrasses.
B)
mangroves.
C)
clams.
D)
plankton.