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ECOLOGY TERMS TO REVIEW EXAM # 1

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