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Chapter 1

Michaela Patterson

review on chapter 1 "out"

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Across
1.explanation for a set of observations or an answer to a scientific question, must be testable
6.one changed variable between the control group and experimental group
8.single celled
9.well tested explanation that brings together a lot of observations
10.logical interrpretation based on prior knowledge and experience
11.how many variables can be tested at a time?
12.ransmission electron microscope innitials, magnifies up to 200,000 times not usefull on living speimens
13.traits that cannot be easily counted or measured
14.magnified 1,000 times, a beam of light passes (2 Words)
15.used to form an enlarged image of an object
Down
2./microsope that can magnifyup to 100,000 times scans the surface of the specimen, can produce 3-D image (2 Words)
3.a part of the experiment that does not recieve an independent variable
4.universal genetic code
5.responding variable that is measured
7.organism composed of many cells

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