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U2W3 Key Vocabulary
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Something that ???? forms small waves.
ripples
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Tom held the nest carefully because he was afraid the ???? eggs might break.
fragile
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The formation of small waves
ripples
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. Because of the lack of rain, farmers' crops died during the ????.
droughts
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A reef ???? can be disrupted if you remove one species that lives in it.
ecosystem
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The sunflowers grew tall and ???? in the rich soil.
flourished
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This word is used to describe a species that no longer exists.
extinct
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5. The American buffalo was hunted so much that it almost became ???? .
extinct
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Something that ???? thrived or grew strongly.
flourished
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Something that has parts are not in an equal, steady, or secure position.
imbalance
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The water ???? around the swimming dog.
ripples
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Long periods of dry weather without rainfall.
droughts
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An ???? is all the living and nonliving things in an area.
ecosystem
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The old brick wall had ???? over the years.
crumbled
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If something ????, then it broke into small pieces.
crumbled
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Something that is ???? is delicate and tends to break easily
fragile
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1. Too much algae created an ???? in the pond’s ecosystem.
imbalance
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