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ECOLOGY TERMS TO REVIEW EXAM # 1

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Across
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A plastic ______of DNA was used in the class to represent the Structure and shape of the DNA molecule. (44)
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Warm air rises and cool air sinks forming a circular motion known as a ________current. (75)
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Openings in the ocean floor where super-hot, mineral rich water streams into the ocean are called ______vents.(78)
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A seismologist is a scientist that studies earthquake waves called____waves. (64)
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As ________ increases, air pressure decreases making it more difficult to breathe. (72)
Down
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_________in the stratosphere absorbs the sun's UV radiation and helps to protect organisms from cancers. (73)
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Nitrogen and Oxygen comprise 99% of the __________of the Atmosphere. (71)
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The process in which gases trap heat in earth's atmosphere , is known as the _______effect. (76)
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The "ring of Fire" is an active earthquake & Volcano Zone located along the _______ Ocean Coast.(68)
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Evaporation, precipitation and condensation are three physical processes in the ______ cycle on Earth. (77)