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Worksheets

Ocean Mammals

Total questions: 14

Worksheet time: 7mins

Name
Class
Date
1.

Mammals have the largest ____ of all vertebrates.

a)

brain

b)

heart

c)

liver

d)

lungs

2.

Which type of whale was in "Moby Dick"?

a)

Blue

b)

Gray

c)

Sperm

d)

Bowhead

3.

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

a)

Cetacean

b)

Felines

c)

Pinnipeds

d)

Sirenians

4.

Manatees and Dugong feed on ____.

a)

humans

b)

fish

c)

small crustaceans

d)

sea grass

5.

Which otter species floats and swims on its back?

a)

only marine otters

b)

only sea otters

c)

both species

d)

neither species

6.

Which otter species rarely leaves water, even gives birth in water?

a)

sea otters only

b)

marine otters only

c)

both otter species

d)

neither species

7.

The largest mammal in the world is __________

a)

Elephant

b)

Orca

c)

Blue Whale

d)

Beluga

8.

Is a mammal and invertebrate or vertebrate?

a)

Invertebrate

b)

Vertebrate

9.

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.

10.
the blue whale's heart  is the size of 
a)
truck
b)
door
c)
car
d)
bike
11.

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

a)

insulation

b)

buoyancy

c)

food reserve and energy storage

d)

attract prey

12.

A term used to describe the action of when whales lift their head straight out of the water ___.

a)

lobtailing

b)

fluking

c)

spyhopping

d)

blowing

13.

What is the main way to distinguish between porpoise and a dolphin?

a)

size of dorsal fin

b)

body markings

c)

where they live

d)

shape of teeth

e)

ears vs ear holes

14.
The tail of a whale or dolphin is called?
a)
fin
b)
dorsal fins
c)
caudal fin
d)
flukes