Unit #8 Exam Review Quiz

Grade:«grade»

Subject:«subject»

Date:«date»

1 Which of the following determines the loudness of a sound:

A

B

C

D

2 Which of the following is considered a solitary animal:

A Blue Whale (baleen whale)

B Common Dolphin (toothed whale)

C Sea Otter (Carnivora)

D Fur Seal (Pinniped)

3 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

4 Sea otters were hunted near extinction because:

A Sea otters were considered pest near aquaculture farms

B Sea otters have the most dense hair of any known animal

C Sea otters lost most of their habitat due to kelp farming

D Sea otters lost their major food souce (sea urchins) due to pollution

5 Which of the following determines the pitch of a sound:

A

B

C

D

6 True or False: Generally, baleen whales use lower pitch sound than toothed whales.

True

False

7 All of the following are used by marine mammals to keep themselves warm, EXCEPT:

A A large oil-filled liver

B A thick layer of blubber

C A high metabolism in smaller cetaceans

D Countercurrent blood flow in the flukes and fins of cetaceans

8 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

9 Sea otters and polar bears are in which of the following orders:

A Carnivera

B Pinneped

C Cetacean

D Serinia

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

11 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

12 Which of the following would best describe a sound that would travel a great distance underwater:

A high pitched, high amplitude

B low pitched, high amplitude

C low pitched, low amplitude

D high pitched, low amplitude

13 The image below is of a:

A manatee

B dugong

C baleen whale

D sea lion

14 A walrus uses which of the following to dig upbivalves in the sand

A Tusks

B Claws

C Whiskers

D Front flippers with vestigial nails

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

A Antarctic

B Temperate

C Equatorial

D Arctic

16 Pinnepeds feed mostly on

A seals

B kelp

C squid & fish

D plankton

17 Which of the following sound waves represents the highest pitch sound:

A

B

C

D They are equal volume

18 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

19 Which order of mammals have made the most complete transition to aquatic life

A Carnivore

B Cetaceans

C Serinia

D Pinnepeds

20 Dugongs can be found near:

A Florida

B New England

C West Africa

D Australia

21 Cetaceans (dolphins/whales) look a lot like chondrichthyes, these similar structures are

A homologous

B evolutionary

C analogous

D caudal fins

22 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

23 Which of the following sound waves represents the loudest sound:

A

B

C

D They are equal volume

24 The root of the word mammal comes from the fact that mammals have

A More than 3 chambers in their heart

B Fur that covers most of their body

C The ability to give live birth

D Mammary glands

25 Manatees and dugongs are in which of the following orders:

A Pinniped

B Cetacea

C Odontoceti

D Sirenia

26 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

27 Which of the following characteristics would you expect to find in a toothed whale

A Relatively large in size for a cetacean

B High pitched sound is used for echolocating food

C The animal lives alone for the majority of its life

D The animal migrates all over the globe

28 Seals and sea lions received legal protection under the Marine Mammal Protection Act (MMPA) of ______________.

A 1886

B 1911

C 1946

D 1972

29 All of the following are true when considering sea otters, EXCEPT:

A they have the most dense fur of any mammal

B they are known for their use of tools

C they are territorial

D they use blubber to keep themselves warm and afloat

30 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

31 The following image is of:

A manatees

B dugongs

C baleen whales

D toothed whales

32 Which of the following is true about toothed whales, but not baleen whales:

A Largest of the marine mammals

B Long annual migrations

C Use echolocation to find food

D Often solitary

33 Which of the following is used to create whistles and clicks in a cetacean:

A blowhole

B nasal cavity

C phonic lips

D melon

34 All of the following are countries that still participate in whaling, EXCEPT:

A Australia

B Faroe Islands

C Norway

D Japan