Unit #9 Quiz #4

Grade:«grade»

Subject:Aquatic Science

Date:«date»

1 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

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 Which of the following determines the loudness of a sound:

A

B

C

D

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

A Carnivore

B Cetaceans

C Serinia

D Pinnepeds

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

True

False

6 A fin whale (baleen whale) will use sound for all of the following, EXCEPT:

A Communication over great distaces

B Communication with offspring

C Echolocating food

D Communication with potential mates

7 Sound is used by marine animals for all of the following, EXCEPT:

A Acceleration

B Predation

C Finding food

D Communication

8 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

9 Which of the following is used by cetaceans to receive sound bouncing back from echolocation:

A The melon

B The fatty lower jaw

C The vocal cords

D The hammer and anvil of the ear

10 Which of the following is used by cetaceans to generate sound:

A The melon

B The fatty lower jaw

C The vocal cords

D The hammer and anvil of the ear

11 Which of the following is a Pinneped

A sea lion

B dolphin

C polar bear

D otter

12 True of False: Baleen whales dive deeper than toothed whales in search of food.

True

False

13 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

14 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

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

A

B

C

D