Unit #9 Quiz #4
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Transcript of Unit #9 Quiz #4
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Unit #9 Quiz #4
Grade:«grade»
Subject:Aquatic Science
Date:«date»
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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
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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)
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3 Which of the following determines the loudness of a sound:
A
B
C
D
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4 Which order of mammals have made the most complete transition to aquatic life
A Carnivore
B Cetaceans
C Serinia
D Pinnepeds
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5 True or False: Generally, baleen whales use lower pitch sound than toothed whales.
True
False
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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
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7 Sound is used by marine animals for all of the following, EXCEPT:
A Acceleration
B Predation
C Finding food
D Communication
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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
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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
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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
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11 Which of the following is a Pinneped
A sea lion
B dolphin
C polar bear
D otter
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12 True of False: Baleen whales dive deeper than toothed whales in search of food.
True
False
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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
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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
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15 Which of the following determines the pitch of a sound:
A
B
C
D