Noise Pollution in Oceans
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Questions and Answers

What is one of the loudest human activities affecting marine life?

  • Fishing using fishing nets
  • Propellers of large ships (correct)
  • Tourist submarines
  • Construction of offshore wind farms
  • Marine animals are not affected by underwater noise pollution.

    False

    How do whales remain in contact with their group during migration?

    producing songs that can be heard across hundreds of miles of ocean

    In 2000, three whales were seen off the coast of the _______________________ Islands, far from their usual migration route.

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

    What was the likely cause of death for the nine giant squids found on Spain's coast between 2001 and 2003?

    <p>Offshore oil and gas surveys</p> Signup and view all the answers

    Sound travels faster and farther underwater than on land.

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

    What is one of the consequences of intense undersea noise on marine animals?

    <p>severe injury or death</p> Signup and view all the answers

    Match the human activities with their impact on marine life:

    <p>Propellers of large ships = Loudest human activity Seismic surveys = Can cause severe injury or death to marine animals Whale songs = Used for communication during migration</p> Signup and view all the answers

    Scientists linked the unusual whale sighting in 2000 to a _______________________ survey using powerful air guns in the area.

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

    Study Notes

    Noise Pollution in Oceans

    • Human activities such as large ship propellers, military sonar, and air guns used for oil and gas exploration are producing excessive noise in oceans.
    • Sound travels faster and farther underwater than on land, affecting marine animals over a vast area.

    Impact on Marine Life

    • Noise pollution negatively impacts marine life, especially animals reliant on hearing to survive.
    • Whales use "songs" to communicate and stay in contact with their group during migration, but excessive noise makes it impossible for them to hear each other.

    Real-Life Examples

    • In 2000, three whales were spotted off the Galapagos Islands, far from their usual migration route, likely due to a seismic survey using powerful air guns in the area.
    • Between 2001 and 2003, nine giant squids were found dead on Spain's coast, showing signs of ear damage and internal injuries likely caused by offshore oil and gas surveys.

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    Description

    The increasing noise in oceans affects marine animals, caused by human activities like ship propellers, sonar, and air guns used for oil and gas search. Learn about the impacts of noise pollution in this quiz.

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