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National Geographic Kids Jellyfish article

18 words 4 learners

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  1. kilogram
    one thousand grams
    Called Nomura's jellyfish, the wiggly, pinkish giants can weigh up to 450 pounds (204 kilograms)—as heavy as a male lion—and they're swarming by the millions.
  2. breeding ground
    a place where animals breed
    It's possible that oceans heated by global warming are creating the perfect jellyfish breeding ground.
  3. blob
    an indistinct shapeless form
    But these gigantic blobs are unwelcome visitors from another place.
  4. chow
    informal terms for a meal
    Another theory is that overfishing has decreased the numbers of some fish, which may allow the jellies to chow down without competition for food.
  5. global warming
    a rise in the average temperature of the earth's atmosphere
    It's possible that oceans heated by global warming are creating the perfect jellyfish breeding ground.
  6. unwelcome
    not giving pleasure or received with pleasure
    But these gigantic blobs are unwelcome visitors from another place.
  7. invading
    involving invasion or aggressive attack
    But now one hundred times the usual number of jellyfish are invading Japanese waters.
  8. invade
    march aggressively into a territory by military force
    But now one hundred times the usual number of jellyfish are invading Japanese waters.
  9. organism
    a living thing that can act or function independently
    The supersize sea creatures—normally found off the coasts of China and North and South Korea—occasionally drift east into the Sea of Japan to feed on tiny organisms called plankton.
  10. rely on
    put trust in with confidence
    The jellies crush, slime, and poison valuable fish in the nets, such as the tuna and salmon that the fishermen rely on to make a living.
  11. catastrophe
    a sudden violent change in the earth's surface
    Some of them hope to turn the catastrophe into cash by selling jellyfish snacks.
  12. alien
    from another place or part of the world
    Are aliens attacking the Sea of Japan?
  13. rely
    have confidence or faith in
    The jellies crush, slime, and poison valuable fish in the nets, such as the tuna and salmon that the fishermen rely on to make a living.
  14. siege
    an action of an armed force that surrounds a fortified place
    And local fishermen are feeling as if they are under siege.
  15. drift
    be in motion due to some air or water current
    The supersize sea creatures—normally found off the coasts of China and North and South Korea—occasionally drift east into the Sea of Japan to feed on tiny organisms called plankton.
  16. valuable
    having worth or merit
    The jellies crush, slime, and poison valuable fish in the nets, such as the tuna and salmon that the fishermen rely on to make a living.
  17. occasionally
    now and then or here and there
    The supersize sea creatures—normally found off the coasts of China and North and South Korea—occasionally drift east into the Sea of Japan to feed on tiny organisms called plankton.
  18. breed
    cause to procreate (animals)
    It's possible that oceans heated by global warming are creating the perfect jellyfish breeding ground.
Created on Wed Apr 07 16:46:36 EDT 2010

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