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Q3: Marine Mammals

Total questions: 25

Worksheet time: 25mins

Name
Class
Date
1.

Mammals have the largest ____ of all vertebrates.

a)

brain

b)

heart

c)

liver

d)

lungs

2.

Which of the following is NOT a use for blubber in a marine mammal?

a)

keep warm

b)

buoyancy

c)

food reserve

d)

attack prey

3.

What are the animals often referred to as "unicorns of the sea" (because of their single tusk)?

a)

narwhals

b)

walrus

c)

manatees

d)

beaked whales

4.

What do baleen whales have two of, that toothed whales have only one of?

a)

stomachs

b)

bladders

c)

blowholes

d)

set of eyes

5.

Which type of whale was in "Moby Dick"?

a)

Blue

b)

Gray

c)

Sperm

d)

Bowhead

6.

Seals and Sea Lions are examples of what type of mammals ___?

a)

Cetacean

b)

Felines

c)

Pinnipeds

d)

Sirenians

7.

Manatees and Dugong feed on ____.

a)

humans

b)

fish

c)

small crustaceans

d)

sea grass

8.

Which is the only truly marine mammal without blubber?

a)

Sea Otter

b)

Harp Seal

c)

Dugong

d)

Porpoise

9.

Which of these is a marine mammal?

a)

Penguin

b)

Polar Bear

c)

Whale Shark

10.

The tail of a whale is called the

a)

Caudal fin

b)

Flukes

c)

Dorsal fin

11.

The largest whale is

a)

Blue whale

b)

Whaley McBig Whale

c)

Gray Whale

d)

Humpback whale

12.

Which is NOT an order of marine mammal?

a)

Pinnipedia

b)

Squamata

c)

Cetacea

13.

Which of these is a filter feeder marine mammal?

a)

Sea Otter

b)

Sperm whale

c)

Humpback whale

d)

Manatee

14.

Order Sirenia has

a)

Manatees and Dugongs

b)

Whales and dolphins

c)

Seals and sea lions

15.

A whale that is beached will most likely

a)

Crawl back to the ocean

b)

Adapt to live on land

c)

Die

16.

Whales with baleen are

a)

Filter feeders

b)

Fish eaters

c)

Squid eaters

17.

What are mammary glands used for?

a)

To produce milk

b)

To digest food

c)

Regulate body temperature

18.
Any member of the group of marine mammals which includes whales, dolphins, and porpoises.
a)
pinniped
b)
echolocation
c)
adaptation
d)
cetancean
19.

Which of the following is a characteristic that all marine mammals possess?

a)

All reproduce using a method known as delayed implantation.

b)

All live full time in the water.

c)

All are carnivorous.

d)

All are able to maintain a near-constant body temperature.

20.

Are mammals cold-blooded or warm- blooded?

a)

Cold-Blooded

b)

Warm-Blooded

21.

Which animal does not use echolocation?

a)

Dolphins

b)

Orcas

c)

Sperm Whales

d)

Toothed Whales

e)

Seals

22.

Why were sea otters hunted by people?

a)

For their teeth

b)

For meat

c)

For their thick fur

d)

to increase sea urchin populations

e)

to increase abalone populations

23.

Sea Otters lack a thick layer of blubber like other marine mammals, but make up for it by...

a)

eating constantly

b)

having low metabolisms

c)

going on land to bask

d)

having oils on their skin for waterproofing

e)

trapping air in their fur

24.

What part of the body is used for directing outgoing sound waves during echolocation?

a)

Melon

b)

Lower jaw

c)

Nasal plug

d)

Air sac

25.

How can you distinguish between a baleen whale and a toothed whale

a)

body size

b)

weight

c)

what's in their mouth

d)

how scary they are