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Unit #8, Quiz #1, 2013-2014

Unit #8, Quiz #1, 2013-2014. Grade:. «grade». «subject». Subject:. «date». Date:. 1. Mammals have a _______ chambered heart. A. 2. B. 3. C. 4. D. 5. 2. Which order of mammals have made the most complete transition to aquatic life. A. Carnivora. B. Cetaceans. C. Serinia.

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Unit #8, Quiz #1, 2013-2014

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  1. Unit #8, Quiz #1, 2013-2014 Grade: «grade» «subject» Subject: «date» Date:

  2. 1 Mammals have a _______ chambered heart. A 2 B 3 C 4 D 5

  3. 2 Which order of mammals have made the most complete transition to aquatic life A Carnivora B Cetaceans C Serinia D Pinnepeds

  4. 3 A walrus uses which of the following to detect the presence of bivalves in the sand A Tusks B Teeth C Whiskers D Front flippers with vestigial nails

  5. 4 The following animal is a: A Seal B Sea Lion C Walrus D Cetacean

  6. 5 Which species is the largest group of Pinnepeds A seals B dolphins C walruses D sea lions

  7. 6 Pinnepeds feed mostly on A seals B kelp C squid & fish D plankton

  8. 7 Manatees and dugongs are in which of the following orders: A Pinniped B Cetacea C Odontoceti D Sirenia

  9. 8 Which of the following is used to keep a mammal warm? A Cetacean B baleen C whiskers D blubber

  10. 9 Which of the following is a Pinneped A sea lion B dolphin C polar bear D otter

  11. 10 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 any external ears D Anterior legs of sea lions are useful for walking on land

  12. 11 Which species is the largest (physically) of Pinnepeds A seals B dolphins C walruses D sea lions

  13. 12 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

  14. 13 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

  15. 14 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

  16. 15 Polar bears can be found in the __________ region(s) A Antarctic B Temperate C Equatorial D Arctic

  17. 16 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

  18. 17 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

  19. 18 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

  20. 19 Which order of mammals is least adapted for an aquatic environment: A Carnivora B Cetaceans C Serinia D Pinnepeds

  21. 20 Seals and sea lions received legal protection under the Marine Mammal Protection Act (MMPA) of ______________. A 1886 B 1911 C 1946 D 1972

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