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Level 2 Quiz
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1

Marine tetrapod vertebrates do not have
A)shelled eggs.
B)feathers.
C)flippers.
D)gills.
2

Besides humans, sea turtles are eaten by
A)killer whales.
B)great white sharks.
C)land crabs and birds.
D)sea snakes.
3

Sea turtles swim by means of
A)a large tail.
B)flippers.
C)flukes.
D)undulation.
4

The most dangerous marine reptile is the
A)marine iguana.
B)Komodo dragon.
C)sea snake.
D)saltwater crocodile.
5

A penguin's wings are used for
A)long-distance flying.
B)hopping.
C)swimming.
D)walking.
6

A tubenose bird can be told from a gull by its
A)long neck.
B)pouch.
C)salt glands.
D)heavy beak.
7

Seals retain body heat by means of
A)thick fur.
B)blubber.
C)oil glands.
D)down.
8

Unlike a true seal, a sea lion has
A)external ears.
B)mammary glands.
C)paddle-shaped flippers.
D)a pair of tusks.
9

Among the great whales, the one that eats squid is the
A)blue.
B)gray.
C)sperm.
D)humpback.
10

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

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

Harems are found in
A)elephant seals.
B)sea otters.
C)killer whales.
D)manatees.
13

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

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

Manatees eat
A)seagrasses.
B)mangroves.
C)clams.
D)plankton.





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