Oceans of the World Zones
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Questions and Answers

What does the average salinity of the Atlantic Ocean represent?

  • The volume of marine life in the Atlantic Ocean
  • The temperature range of the Atlantic Ocean
  • The depth of the Atlantic Ocean in meters
  • The percentage of salt in the water in parts per thousand (ppt) (correct)
  • Why is the Atlantic Ocean relatively shallow compared to other oceans?

  • Due to the presence of the Mid Atlantic Ridge
  • High atmospheric pressure pushing water down
  • Intense sunlight evaporating surface water
  • A large area of the sea floor being continental shelf (correct)
  • What drives the global circulation of ocean water according to the text?

  • Difference in salinity and temperature (correct)
  • Wind patterns
  • Surface currents
  • Tides
  • What effect does the North Atlantic garbage patch have on marine life?

    <p>Endangers the lives of fish and animals due to plastic pollution</p> Signup and view all the answers

    Which ocean is described as being centered around the North Pole and frozen most of the year?

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

    Which ocean is the third largest in the world?

    <p>Indian Ocean</p> Signup and view all the answers

    Where is the deepest point of the Indian Ocean located?

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

    What is one significant feature of the Pacific Ocean?

    <p>Home to the Marianas Trench</p> Signup and view all the answers

    Which ocean sustains one of the largest concentrations of marine life?

    <p>Southern Ocean</p> Signup and view all the answers

    What makes the Indian Ocean unique compared to other oceans in terms of exploration?

    <p>It is one of the least explored oceans</p> Signup and view all the answers

    Which zone of the ocean receives the least amount of sunlight?

    <p>Aphotic Zone</p> Signup and view all the answers

    What is the primary source of energy for plants and algae in the Photic Zone?

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

    Which of the following zones supports deep-sea hydrothermal vents with unique ecosystems?

    <p>Aphotic Zone</p> Signup and view all the answers

    What is the main factor contributing to salinity in the ocean?

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

    Which zone of the ocean is characterized by bioluminescent organisms due to lack of sunlight?

    <p>Aphotic Zone</p> Signup and view all the answers

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