Nomura's Jellyfish Quiz
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Questions and Answers

What is the primary diet of the Nomura's jellyfish?

  • Seaweed
  • Other fish
  • Crustaceans
  • Plankton (correct)
  • What adaptation do small fish use to survive around Nomura's jellyfish?

  • They beat the jellyfish to the food
  • They hang out inside the jellyfish's tentacles (correct)
  • They mimic the jellyfish's movement
  • They camouflage with the jellyfish
  • How heavy can a Nomura's jellyfish weigh?

  • 600 pounds
  • 450 pounds (correct)
  • 200 pounds
  • 100 pounds
  • What is a significant consequence of the Nomura's jellyfish overpopulation in the Sea of Japan?

    <p>Damage to fishing nets and fish stocks</p> Signup and view all the answers

    What type of organism is the Nomura's jellyfish classified as?

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

    Study Notes

    The Nomura's Jellyfish

    • A giant jellyfish species is impacting the Sea of Japan.
    • Fishing nets and fish are overwhelmed by the large numbers.
    • This is a real-world problem, not science fiction.
    • This type of jellyfish is a major concern.

    A Huge Jellyfish

    • Jellyfish are invertebrates (no backbone).
    • The Nomura's jellyfish is one of the largest species.
    • They can weigh up to 450 pounds.
    • Its body can be six feet wide, with long tentacles.
    • Develops quickly from a rice-grain size to full grown in a year.

    Feeding and Defense

    • The Nomura's jellyfish has many small mouths.
    • Plankton are the food source.
    • Plankton are tiny plants/organisms that drift in the ocean.
    • Its soft body is vulnerable to larger predators.
    • It has stingers (nematocysts) that inject toxins.
    • Protective stingers also help some smaller fish avoid larger predators.

    Human Impact

    • Millions of people get stung by Nomura's jellyfish annually.
    • The stings can cause pain, swelling, or death.
    • The Japanese government has formed a response group.

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    Related Documents

    Jellyfish Take Over! PDF

    Description

    Test your knowledge about the Nomura's jellyfish, a giant species impacting marine life in the Sea of Japan. Learn about its size, feeding habits, and the effects on humans and the ecosystem. This quiz covers various aspects of this fascinating yet concerning creature.

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