Underwater Landscapes Quiz
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Questions and Answers

What is the name of the lining found on the shells of clams?

  • Gills
  • Mother-of-pearls (correct)
  • Crustaceans
  • Molt

    • How do crustaceans ensure their new shell is large enough when they molt?

  • Stretching themselves by taking in large amounts of air (correct)
  • Seeking shelter in rocky crevices
  • Looking for a larger shell in the ocean
  • Eating more food before molting

    • What is the external structure that algae form in coral polyps made of?

  • Gills
  • Exoskeleton (correct)
  • Blubber
  • Shell

    • Which marine mammal has a layer of blubber instead of fur?

    <p>Whales</p> Signup and view all the answers

    What distinguishes eared seals from true seals?

    <p>Ability to walk on land</p> Signup and view all the answers

    What natural phenomenon causes Tsunamis?

    <p>Earthquake</p> Signup and view all the answers

    Which statement best describes the Blue Grotto?

    <p>It has relaxing and refreshing qualities due to water forces.</p> Signup and view all the answers

    What can be produced from chemicals found in the sea according to the text?

    <p>Antibiotics</p> Signup and view all the answers

    What is the main effect of Tsunamis according to the text?

    <p>Destroying everything in their path</p> Signup and view all the answers

    Which underwater feature does the text NOT mention in relation to the sea?

    <p>Deserts</p> Signup and view all the answers

    What is the primary source of oxygen production in the ocean?

    <p>Phytoplankton</p> Signup and view all the answers

    How do waves impact coastal features according to the text?

    <p>Create cliffs, arches, and caves</p> Signup and view all the answers

    What do Plankton refer to in the context of this text?

    <p>Organism carried by tides and currents</p> Signup and view all the answers

    What is the main characteristic of crustaceans?

    <p>Segmented bodies with jointed legs and a hard outer skeleton</p> Signup and view all the answers

    Where do shrimps most often live and scavenge for food?

    <p>On the bottom of the continental shelf</p> Signup and view all the answers

    What is a defining characteristic of whales?

    <p>Warm-blooded and have a layer of blubber instead of fur</p> Signup and view all the answers

    What is the primary food source for walruses?

    <p>Fish, mollusks, and crustaceans</p> Signup and view all the answers

    How do crustaceans prepare for the hardening of their new shell after molting?

    <p>By taking in large amounts of air to stretch themselves</p> Signup and view all the answers

    Which marine animal has a layer of blubber under its skin?

    <p>Walruses</p> Signup and view all the answers

    What type of animals are pinnipeds?

    <p>Mammals that live in the sea but go on land to give birth</p> Signup and view all the answers

    What is an essential feature of coral reefs?

    <p>Miniature invertebrates called coral polyps creating hard outer coverings</p> Signup and view all the answers

    What distinguishes eared seals from true seals?

    <p>Ability to walk on land using flippers</p> Signup and view all the answers

    How do whales swim?

    <p>By moving their tails up and down</p> Signup and view all the answers

    What process describes the transformation of liquid water into water vapor?

    <p>Evaporation</p> Signup and view all the answers

    What is the scientific abbreviation for water?

    <p>H2O</p> Signup and view all the answers

    What percentage of Earth's water comes from the ocean?

    <p>Approximately 97%</p> Signup and view all the answers

    What is the primary role of the ocean in relation to the land?

    <p>Affects the climate</p> Signup and view all the answers

    What is the primary function of barnacles' feathery legs?

    <p>To collect algae for food</p> Signup and view all the answers

    Which type of mollusk has two matching shells joined by hinges?

    <p>Bivalves</p> Signup and view all the answers

    How are pearls formed in mollusks?

    <p>Through secretion of nacre around an irritant</p> Signup and view all the answers

    What distinguishes shellfish mollusks used for food?

    <p>They have soft bodies and require shells for protection</p> Signup and view all the answers

    Which factor primarily affects the height of tides along coastlines?

    <p>The position of the moon and sun</p> Signup and view all the answers

    Which species is known for producing pearls?

    <p>Oysters</p> Signup and view all the answers

    The lining on the shells of clams is called ______

    <p>Mother-of-pearls</p> Signup and view all the answers

    When a crustacean molts, its shell splits along a point of ______

    <p>weakness</p> Signup and view all the answers

    Shrimps most often live on the bottom of the continental ______

    <p>shelf</p> Signup and view all the answers

    Crabs have flattened, elongated bodies with ______ legs and two pincers

    <p>eight</p> Signup and view all the answers

    Coral reefs are formed by coral ______

    <p>polyps</p> Signup and view all the answers

    Whales breathe with ______

    <p>lungs</p> Signup and view all the answers

    Walruses live near the North Pole in the ______ Ocean

    <p>Arctic</p> Signup and view all the answers

    The largest pinniped is the elephant ______

    <p>seal</p> Signup and view all the answers

    Eared seals can use its flippers to ______ up (walk on land)

    <p>sit</p> Signup and view all the answers

    Male elephant seals can weigh up to 16k lb. and ______ ft.

    <p>16</p> Signup and view all the answers

    Pinnipeds are also called ______ animals

    <p>wing-footed</p> Signup and view all the answers

    Walruses have thick ______ skin

    <p>wrinkly</p> Signup and view all the answers

    Male Walruses can weigh up to over 2k ______

    <p>lb</p> Signup and view all the answers

    Whales breathe with ______

    <p>lungs</p> Signup and view all the answers

    Eared seals can use its flippers to sit up (walk on ______)

    <p>land</p> Signup and view all the answers

    The largest pinniped is the elephant ______

    <p>seal</p> Signup and view all the answers

    Some eared seals are fur seals, sea lions, and elephant ______

    <p>seals</p> Signup and view all the answers

    Crabs have flattened, elongated bodies with eight ______ and two pincers

    <p>legs</p> Signup and view all the answers

    The lining on the shells of clams is called ______

    <p>Mother-of-pearls</p> Signup and view all the answers

    Coral reefs are formed by coral ______

    <p>polyps</p> Signup and view all the answers

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