Unit #9 Review Quiz Grade: «grade» Subject: Aquatic Science Date: «date»
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Transcript of Unit #9 Review Quiz Grade: «grade» Subject: Aquatic Science Date: «date»
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Unit #9 Review Quiz
Grade:«grade»
Subject:Aquatic Science
Date:«date»
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1 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
![Page 3: Unit #9 Review Quiz Grade: «grade» Subject: Aquatic Science Date: «date»](https://reader035.fdocuments.in/reader035/viewer/2022062314/56649db05503460f94a9e0b3/html5/thumbnails/3.jpg)
2 Zero decibels (dB) in air is approximately _________ dB in water.
A -26
B 0
C 26
D 100
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3 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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4 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
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5 Which of the following is NOT used in the formation/interpretation of sound
A Melon focussing outgoing sound
B Fatty lower jaw receiving sound waves
C Caudal fin drumming on the swim bladder
D Vocal chords creating a vibration to be sent out
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6 Which species is the largest (physically) of marine mammals
A seals
B toothed whales
C walruses
D baleen whales
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7 Polar bears can be found in the __________ region(s)
A Antarctic
B Temperate
C Equatorial
D Arctic
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8 Sea otters are considered a capstone/keystone species. This means:
A without this species the ecosystem will become destabilized
B this species is responsible for keeping the bottom of the food chain stable
C this species is considered an apex predator
D as this species grows in population size, so does the overall population of the food chain
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9 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
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10 All of the following are characteristics of Pinnepeds, EXCEPT:
A They have the most dense fur of any mammal
B They are predominately carnivores
C They are streamline and excellent swimmers
D Examples of pinnepeds are seals, sea lions, and walruses
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11 A baleen is/are
A large oval teeth
B an organ used for echolocation
C large, flat teeth for chewing plants
D a series of fibrous plates
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12 All of the following countries still participate in whaling, EXCEPT:
A Japan
B Norway
C New Zealand
D Faroe Island
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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 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
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15 Cetaceans (dolphins/whales) look a lot like chondrichthyes, these similar structures are
A homologous
B evolutionary
C analogous
D caudal fins
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16 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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17 True or False: Generally, baleen whales use lower pitch sound than toothed whales.
True
False
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18 Which of the following sound waves represents the highest pitch sound:
A
B
C
D They are equal volume
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19 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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20 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
![Page 22: Unit #9 Review Quiz Grade: «grade» Subject: Aquatic Science Date: «date»](https://reader035.fdocuments.in/reader035/viewer/2022062314/56649db05503460f94a9e0b3/html5/thumbnails/22.jpg)
21 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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22 Sea otters and polar bears are in which of the following orders:
A Carnivera
B Pinneped
C Cetacean
D Serinia
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23 Which of the following determines the loudness of a sound:
A
B
C
D
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24 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
![Page 26: Unit #9 Review Quiz Grade: «grade» Subject: Aquatic Science Date: «date»](https://reader035.fdocuments.in/reader035/viewer/2022062314/56649db05503460f94a9e0b3/html5/thumbnails/26.jpg)
25 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
![Page 27: Unit #9 Review Quiz Grade: «grade» Subject: Aquatic Science Date: «date»](https://reader035.fdocuments.in/reader035/viewer/2022062314/56649db05503460f94a9e0b3/html5/thumbnails/27.jpg)
26 Dugongs can be found near:
A Florida
B New England
C West Africa
D Australia
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27 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
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28 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
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29 The image below is of a:
A manatee
B dugong
C baleen whale
D sea lion
![Page 31: Unit #9 Review Quiz Grade: «grade» Subject: Aquatic Science Date: «date»](https://reader035.fdocuments.in/reader035/viewer/2022062314/56649db05503460f94a9e0b3/html5/thumbnails/31.jpg)
30 Which of the following sound waves represents the loudness sound:
A
B
C
D They are equal volume
![Page 32: Unit #9 Review Quiz Grade: «grade» Subject: Aquatic Science Date: «date»](https://reader035.fdocuments.in/reader035/viewer/2022062314/56649db05503460f94a9e0b3/html5/thumbnails/32.jpg)
31 Which of the following is used by Cetaceans to keep warm:
A Rete mirabile
B Baleen
C Oil-filled liver
D Blubber
![Page 33: Unit #9 Review Quiz Grade: «grade» Subject: Aquatic Science Date: «date»](https://reader035.fdocuments.in/reader035/viewer/2022062314/56649db05503460f94a9e0b3/html5/thumbnails/33.jpg)
32 Which of the following words best describes the sound produced by an echolocating (looking for food) toothed whale:
A Click
B Whistle
C Groan
D Squeak