Unit #8 Quiz #3
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Unit #8 Quiz #3. Grade:. «grade». «subject». Subject:. «date». Date:. 1. A blue whale using sound for communication would probably create which of the following sounds. A. High pitched between 0 and 100 dB. B. Low pitched between 0 and 100 dB. C. Low pitched between 100 and 200 dB.

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Unit #8 Quiz #3

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Unit 8 quiz 3

Unit #8 Quiz #3

Grade:

«grade»

«subject»

Subject:

«date»

Date:


Unit 8 quiz 3

1

A blue whale using sound for communication would probably create which of the following sounds

A

High pitched between 0 and 100 dB

B

Low pitched between 0 and 100 dB

C

Low pitched between 100 and 200 dB

D

High pitched between 100 and 200 dB


Unit 8 quiz 3

2

Dugongs can be found near:

A

Florida

B

New England

C

West Africa

D

Australia


Unit 8 quiz 3

3

The two groups of whales are

A

baleen & toothed

B

baleen & cetacean

C

toothed & cetacean

D

cetacean& pinniped


Unit 8 quiz 3

4

Which sound will travel farther in water below

100 meters

A

High pitched sound

B

Low pitched sound

C

Cavitation

D

Echolocation at 50 dB


Unit 8 quiz 3

5

All of the following help cetaceans maintain

their body temperature in cold waters, EXCEPT:

A

large amounts of blubber

B

dense hair for insulation

C

high metabolic rates

D

counter current blood flow


Unit 8 quiz 3

6

All of the following countries still participate in

whaling, EXCEPT:

A

Japan

B

Norway

C

New Zealand

D

Faroe Island


Unit 8 quiz 3

7

Why do large baleen whales use low frequency

sound:

A

The low frequency sound is ideal for finding fatty copepods

B

They have long & solitary migrations & need

to communicate over long distances

C

The lower frequency sounds are better for finding

large & fatty prey

D

The low frequency sound is effective for short range communication within pods of whales


Unit 8 quiz 3

8

The lower jaw on many echolocating species is

full of which macromolecule

A

Carbohydrates

B

Nucleic acids

C

Amino Acids

D

Lipids


Unit 8 quiz 3

9

Which of the following is true about toothed

whales, but not baleen whales:

A

often solitary

B

use echolocation to find food

C

long annual migrations

D

largest of the marine mammals


Unit 8 quiz 3

10

Which of the following was the first cetacean

(that we know of) that was severely depleted from whaling due to its slow-moving & surface dwelling habits:

A

Blue Whale

B

Bottle-nosed dolphin

C

Humpback Whale

D

Right/Bowhead Whale


Unit 8 quiz 3

11

Which of the following is a Pinneped

A

sea lion

B

dolphin

C

polar bear

D

otter


Unit 8 quiz 3

12

Which order of mammals has made the most

complete transition to aquatic life

A

Carnivora

B

Cetaceans

C

Edentata

D

Pinnipeds


Unit 8 quiz 3

13

Which of the following is a Cetacean?

A

polar bear

B

dolphin

C

seal

D

sea lion


Unit 8 quiz 3

14

Zero decibels (dB) in air is

approximately _________ dB in water.

A

-26

B

0

C

26

D

100


Unit 8 quiz 3

15

All of the following are true when comparing seals

and sea lions, EXCEPT:

A

Sea lions have external ears

B

Anterior legs of seals are not useful for walking

C

Seals have external ears

D

Anterior legs of sea lions are useful for walking on land


Unit 8 quiz 3

16

Which of the following is used by cetaceans to focus/project sounds for echolocation/communication:

A

The melon

B

The fatty lower jaw

C

The vocal cords

D

The hammer and anvil of the ear


Unit 8 quiz 3

17

The following image is of:

A

manatees

B

dugongs

C

baleen whales

D

toothed whales


Unit 8 quiz 3

18

Sea otters and polar bears are in which of the

following orders:

A

Carnivora

B

Pinneped

C

Cetacean

D

Serinia


Unit 8 quiz 3

19

Which species is the largest (physically) of marine

mammals

A

seals

B

toothed whales

C

walruses

D

baleen whales


Unit 8 quiz 3

20

A loss of which of the following would prevent a

common dolphin (toothed whale) from

absorbing sound bouncing back during echolocation:

A

vocal cords

B

melon

C

mandibular fat

D

auditory bulbs


Unit 8 quiz 3

21

Polar bears can be found in the __________ region(s)

A

Antarctic

B

Temperate

C

Equatorial

D

Arctic


Unit 8 quiz 3

22

All of the following are possible side effects of

emitting low frequency sounds into the oceans EXCEPT:

A

Mass stranding (200+ organisms) of marine mammals

B

Gas bubbles forming in the bloodstream, organs, and joints of aquatic mammals as a result of acute decompression syndrome

C

Cranial and pulmonary bleeding within aquatic mammals

D

energy from the sound pushing gas bubbles into the bloodstream through the tissue of the lungs


Unit 8 quiz 3

23

The International Whaling Commission (IWC) was

originally established in 1942 for which of the

following reasons:

A

To prevent the slaughter of marine mammals

B

To regulate the amount of whaling in order to prevent "over fishing"

C

To prevent the "fishing" of endangered animals such as sea otters

D

To assist indigenous peoples in for their right to slaughter whales, even when they are considered endangered


Unit 8 quiz 3

24

All of the following are characteristics of mammals,

EXCEPT:

A

They are viviparous

B

They nurse their young

C

They are ectothermic

D

They all have hair/fur at some point in their lives


Unit 8 quiz 3

25

Which of the following sound waves represents the

highest pitch sound:

A

B

C

D

They are equal volume


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