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Questions and Answers
What is one of the loudest human activities affecting marine life?
What is one of the loudest human activities affecting marine life?
Marine animals are not affected by underwater noise pollution.
Marine animals are not affected by underwater noise pollution.
False
How do whales remain in contact with their group during migration?
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.
In 2000, three whales were seen off the coast of the _______________________ Islands, far from their usual migration route.
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What was the likely cause of death for the nine giant squids found on Spain's coast between 2001 and 2003?
What was the likely cause of death for the nine giant squids found on Spain's coast between 2001 and 2003?
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Sound travels faster and farther underwater than on land.
Sound travels faster and farther underwater than on land.
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What is one of the consequences of intense undersea noise on marine animals?
What is one of the consequences of intense undersea noise on marine animals?
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Match the human activities with their impact on marine life:
Match the human activities with their impact on marine life:
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Scientists linked the unusual whale sighting in 2000 to a _______________________ survey using powerful air guns in the area.
Scientists linked the unusual whale sighting in 2000 to a _______________________ survey using powerful air guns in the area.
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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.