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 (D)</p> Signup and view all the answers

What distinguishes eared seals from true seals?

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

What natural phenomenon causes Tsunamis?

<p>Earthquake (C)</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. (B)</p> Signup and view all the answers

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

<p>Antibiotics (D)</p> Signup and view all the answers

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

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

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

<p>Deserts (D)</p> Signup and view all the answers

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

<p>Phytoplankton (A)</p> Signup and view all the answers

How do waves impact coastal features according to the text?

<p>Create cliffs, arches, and caves (A)</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 (B)</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 (D)</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 (C)</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 (C)</p> Signup and view all the answers

What is the primary food source for walruses?

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

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

<p>Walruses (D)</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 (D)</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 (C)</p> Signup and view all the answers

What distinguishes eared seals from true seals?

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

How do whales swim?

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

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

<p>Evaporation (D)</p> Signup and view all the answers

What is the scientific abbreviation for water?

<p>H2O (B)</p> Signup and view all the answers

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

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

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

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

What is the primary function of barnacles' feathery legs?

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

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

<p>Bivalves (A)</p> Signup and view all the answers

How are pearls formed in mollusks?

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

What distinguishes shellfish mollusks used for food?

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

Which species is known for producing pearls?

<p>Oysters (B)</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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