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1 | | Marine tetrapod vertebrates do not have |
| | A) | Shelled eggs. |
| | B) | Feathers. |
| | C) | Flippers. |
| | D) | Gills. |
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2 | | Sea turtles must leave the oceans to lay eggs. |
| | A) | True |
| | B) | False |
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3 | | Sea turtles swim by means of |
| | A) | A large tail. |
| | B) | Flippers. |
| | C) | Flukes. |
| | D) | Undulation. |
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4 | | Besides humans, sea turtles are eaten by |
| | A) | Killer whales. |
| | B) | Great white sharks. |
| | C) | Land crabs and birds. |
| | D) | Sea snakes. |
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5 | | Green sea turtles, when ready to lay eggs, migrate to the nearest isolated sandy beach that they happen to encounter. |
| | A) | True |
| | B) | False |
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6 | | All 7 species of sea turtles are threatened, whereas 4 species are endangered. |
| | A) | True |
| | B) | False |
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7 | | Marine iguanas can feed in cold ocean water because they warm up by basking in the sun on rocks. |
| | A) | True |
| | B) | False |
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8 | | The most dangerous marine reptile is the |
| | A) | Marine iguana. |
| | B) | Komodo dragon. |
| | C) | Sea snake. |
| | D) | Saltwater crocodile. |
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9 | | Most seabirds breed in large colonies on land, and form life-long pair bonding. |
| | A) | True |
| | B) | False |
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10 | | Emperor penguins keep their eggs warm by which means? |
| | A) | Retaining them in a brood pouch |
| | B) | Building a large protected nest |
| | C) | Placing them between their feet and lower body |
| | D) | Lining the nest with down |
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11 | | Penguins are found mostly in the Antarctic and Arctic regions. |
| | A) | True |
| | B) | False |
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12 | | A penguin's wings are used for |
| | A) | Long-distance flying. |
| | B) | Hopping. |
| | C) | Swimming. |
| | D) | Walking. |
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13 | | A tubenose bird can be told from a gull by its |
| | A) | Long neck. |
| | B) | Pouch. |
| | C) | Salt glands. |
| | D) | Heavy beak. |
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14 | | Seabird guano can be useful for human purposes. |
| | A) | True |
| | B) | False |
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15 | | Some seabirds migrate as much as 16,000 km from one polar region to the other, and may never experience a polar winter. |
| | A) | True |
| | B) | False |
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16 | | Mammals constitute the largest group of vertebrates in terms of number of species. |
| | A) | True |
| | B) | False |
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17 | | Seals retain body heat by means of |
| | A) | Thick fur. |
| | B) | Blubber. |
| | C) | Oil glands. |
| | D) | Down. |
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18 | | Unlike a true seal, a sea lion has |
| | A) | External ears. |
| | B) | Mammary glands. |
| | C) | Paddle-shaped flippers. |
| | D) | A pair of tusks. |
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19 | | Fossils of the earliest whales do not have blowholes. |
| | A) | True |
| | B) | False |
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20 | | The skeleton of a modern whale has |
| | A) | No rear limb bones. |
| | B) | Very small rear limb bones. |
| | C) | Small front flippers. |
| | D) | No blowhole. |
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21 | | Among the great whales, the one that eats squid is the |
| | A) | Blue. |
| | B) | Gray. |
| | C) | Sperm. |
| | D) | Humpback. |
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22 | | Baleen whales have very long, hard teeth for straining small animals from the ocean. |
| | A) | True |
| | B) | False |
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23 | | The pleated throat of many baleen whales is used like an expanding accordion to draw in large amounts of water and food. |
| | A) | True |
| | B) | False |
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24 | | Dolphins are not able to |
| | A) | Learn from observation. |
| | B) | Use echolocation. |
| | C) | Form complex societies. |
| | D) | Filter food through bristles in the mouth. |
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25 | | Cetaceans move their tails up and down while fishes move theirs side to side. |
| | A) | True |
| | B) | False |
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26 | | Manatees eat |
| | A) | Seagrasses. |
| | B) | Mangroves. |
| | C) | Clams. |
| | D) | Plankton. |
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27 | | Adaptations for deep diving in marine mammals do not include which of these? |
| | A) | light-producing organs |
| | B) | Oxygen storage in muscles |
| | C) | Collapsible lungs |
| | D) | Efficient air exchange at the surface |
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28 | | The bends condition is caused by carbon dioxide bubbles forming in the blood due to pressure changes in diving. |
| | A) | True |
| | B) | False |
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29 | | Marine mammals avoid the bends by returning to the surface very slowly after a deep dive. |
| | A) | True |
| | B) | False |
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30 | | Echolocation is used not only by most toothed whales, but also by some pinnipeds and probably some baleen whales. |
| | A) | True |
| | B) | False |
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31 | | It is thought that cetaceans produce a mental "picture" of objects using echolocation sounds, since they can recognize objects by sight previously only sensed by sound. |
| | A) | True |
| | B) | False |
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32 | | Most cetacean calves are born head-first in order for the newborn to quickly gulp in air at the surface. |
| | A) | True |
| | B) | False |
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33 | | Pinnipeds often exhibit harem breeding with a dominant male mating with many females and fighting off other males. |
| | A) | True |
| | B) | False |
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34 | | Generally, pinnipeds breed |
| | A) | In the water. |
| | B) | In family groups at sea. |
| | C) | In colonies. |
| | D) | Only at night. |
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35 | | Which of these countries still hunts minke whales? |
| | A) | Japan |
| | B) | U.S.A. |
| | C) | Australia |
| | D) | Ecuador |
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36 | | If a can of tuna bears a "dolphin-safe" label, it means that |
| | A) | The country of origin does not use drift nets. |
| | B) | The quota of dolphins killed while fishing is regulated by the IWC. |
| | C) | Fishing was conducted using special purse seine nets. |
| | D) | The tuna were taken by American fishermen. |
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