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U2W3 Key Vocabulary

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  • The water ???? around the swimming dog.
    ripples
  • Tom held the nest carefully because he was afraid the ???? eggs might break.
    fragile
  • 1. Too much algae created an ???? in the pond’s ecosystem.
    imbalance
  • This word is used to describe a species that no longer exists.
    extinct
  • The old brick wall had ???? over the years.
    crumbled
  • A reef ???? can be disrupted if you remove one species that lives in it.
    ecosystem
  • Something that has parts are not in an equal, steady, or secure position.
    imbalance
  • Something that ???? thrived or grew strongly.
    flourished
  • . Because of the lack of rain, farmers' crops died during the ????.
    droughts
  • If something ????, then it broke into small pieces.
    crumbled
  • 5. The American buffalo was hunted so much that it almost became ???? .
    extinct
  • An ???? is all the living and nonliving things in an area.
    ecosystem
  • The sunflowers grew tall and ???? in the rich soil.
    flourished
  • Something that is ???? is delicate and tends to break easily
    fragile
  • Something that ???? forms small waves.
    ripples
  • The formation of small waves
    ripples
  • Long periods of dry weather without rainfall.
    droughts
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