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process by which plants use the sun's energy to convert water and carbon dioxide into sugars
the variable that is measured in an experiment; changes due to the independent varable
in an experiment, the standard that is used for comparison; usually the group that you keep normal
"reproduction of the fittest;" process where the individuals best suited for the environment survive, reproduce, and pass along their superior genes
when a species is no longer affected by the pesticide; happens due to natural selection
a pesticide that doesn't break down easily and remains in the ecosystem for a long time
genetically modified organism; takes a favorable trait from one organism and puts it into another organism in order to make it better
does not overturn soil and plants seeds directly in last years cover crop; causes less erosion
nonpoint source pollution
pollution that comes from multiple sources so the source can't be identified
surface, such as a parking lot, street, or sidewalk that won't allow water to absorb into the ground
when an invasive species takes over in an area so that the native species can no longer live
water that gets heated up when it is used during the cooling process at a powerplant
a small aquatic organism that is large enough to see without a microscope and doesn't have a backbone
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