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Unit #9 Quiz #4

Unit #9 Quiz #4. Grade:. «grade». Aquatic Science. Subject:. «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.

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Unit #9 Quiz #4

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  1. Unit #9 Quiz #4 Grade: «grade» Aquatic Science Subject: «date» Date:

  2. 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

  3. 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)

  4. 3 Which of the following determines the loudness of a sound: A B C D

  5. 4 Which order of mammals have made the most complete transition to aquatic life A Carnivore B Cetaceans C Serinia D Pinnepeds

  6. 5 True or False: Generally, baleen whales use lower pitch sound than toothed whales. True False

  7. 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

  8. 7 Sound is used by marine animals for all of the following, EXCEPT: A Acceleration B Predation C Finding food D Communication

  9. 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

  10. 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

  11. 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

  12. 11 Which of the following is a Pinneped A sea lion B dolphin C polar bear D otter

  13. 12 True of False: Baleen whales dive deeper than toothed whales in search of food. True False

  14. 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

  15. 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

  16. 15 Which of the following determines the pitch of a sound: A B C D

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