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HOW DOLPHINS . . .

Total questions: 22

Worksheet time: 47mins

Name
Class
Date
1.

Are you ready to start this quiz?

a)

YES

b)

NO

2.
How many species of dolphins can be found living in the oceans?
a)
14
b)
32
c)
36
d)
4
3.
Dolphins live in ...
a)
seas or rivers
b)
ponds
c)
pools
d)
trees
4.
You can tell if a dolphin is talking because it will...
a)
scream or dance
b)
say many words
c)
look at you
d)
squeak, click, or whistle
5.

how many dolphins live in rivers?

a)

5

b)

14

c)

22

d)

35

6.
What type of dolphin do we often call a killer whale?
a)
Orca
b)
Bottlenose
c)
Shark
d)
A killer whale is a whale.
7.
What helps dolphins move fast? 
a)
Fins
b)
A Motor
c)
Smooth and Silky Skin
d)
Waves in the Ocean
8.
How long can dolphins stay under water? 
a)
A few hours
b)
A few minutes
c)
A few seconds
d)
A few days
9.
What do dolphins breathe through? 
a)
A blowhole
b)
Lungs
c)
Their mouths
d)
Their noses
10.
What type of dolphin do we often call a killer whale?
a)
Orca
b)
Bottlenose
c)
Shark
d)
A killer whale is a whale.
11.
How do dolphins hunt and navigate through the water?
a)
Dolphins swim quickly all the time.
b)
Dolphins swim quickly between the river banks.
c)
Dolphins bounce sounds off objects in the water, then they listen for the echos.
d)
Dolphins use their side fins like bat wings, and they fly through the water.
12.
What is the top of a dolphins head called?
a)
Dorsal Fin
b)
Flukes
c)
Blowhole
d)
Melon
13.
How long do most dolphins live?
a)
Over 40 years
b)
70 - 80 years 
c)
36 years
d)
It depends on the dolphin.
14.
How are dolphins able to sleep under water?
a)
A dolphin's brain is divided into 2 halves.  One half goes to sleep, and the other half stays awake to breath.
b)
Dolphins swim on top of the water while they sleep.
c)
A dolphin's body is fatty from eating a lot of fish, and fatty bodies float.
d)
Dolphins do not sleep often.
15.

Which animal is most closely related to the dolphin?

a)
b)
c)
d)
16.

Where do dolphins lay their eggs?

a)

a. In clusters on the ocean floor

b)

b. In floating sacs on the ocean surface

c)

c. As close to beaches as possible

d)

d. Nowhere; dolphins give birth to live young

17.

What is the relationship between dolphins and killer whales?

a)

a. Killer whales frequently eat dolphins

b)

b. Groups of dolphins frequently attack solitary killer whales

c)

c. A killer whale is actually a very large species of dolphin

d)

d. Killer whales and dolphins live in completely different parts of the ocean

18.

True/False: How many species of dolphin are there currently?

a)

34

b)

54

c)

84

d)

44

19.

What is the fastest a BOTTLENOSE dolphin can swim?

a)

50 mph

b)

20 mph

c)

30 mph

d)

5 mph

20.

What is the highest a bottlenose dolphin can jump?

a)

20 feet

b)

10 feet

c)

15 feet

d)

5 feet

21.

Which animal is NOT eaten by a dolphin?

a)

Squid

b)

Blobfish

c)

Krill

d)

Sea lions

22.

True or False: The Orca's diet is very specific.

a)

True

b)

False

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