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Science Vocabulary

G. Landry

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Across
1.method of using nonrenewable resources in ways that do not waste them
5.work properly
9.a part of the body that performs one or more functions
10.break down the bodies of once living things
11.a rapid, automatic response that usually protects an animal from harm
15.animals without backbones
16.building block of life
18.an automatic behavior that is more complicated than a reflex
21.something known to be true
22.process of change that includes 3 or 4 distinct stages of development
23.man-made waste that contaminates the environment
24.organisms too small to be seen without the use of a microscope
Down
2.react
3.things in the environment that we use to survive
4.grow
6.one of the larger structures of a cell that controls its activities
7.animals including frogs, toads, and salamanders
8.change
12.an opinion or guess about something based on incomplete evidence
13.lives inside the body of a larger animal and feeds off it
14.has an internal skeleton made of bone including a backbone
16.average weather conditions from year to year
17.process of spreading molecules evenly through an area
19.to examine in order to note the similarities
20.a vertebrate that has hair and makes milk for its young

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