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terms for chaper 1

QuestionAnswer
science organized way of gathering and analyzing evidence about the netural world
observation process of noticing and describing events or processes in a careful, orderly way
inference a logical interpretation based on prior knowledge and experience
hypothesis possible explanation for a set of observations or possible answer to a scientific question
controlled experience experiment in which only one variable is changed
independent variable factor in aa controlled experiement that deliberately changed; also called manipulated variable
control group group in an experiment that is exposed to the same conditions as the experimental group except for one independent variable
data evidece; information gathered from observations
theory well-tested explanation that unifies a broad range of observations and hypothesis, and enables scientists to make accurate predictionns about new situations
bias particular preference or point of view that is personal, rather than scientific
biology the study of life
DNA all organisms store the complex information taey need to live, grow, and reproduce in a genetic code written in a molecule called DNA
stimulus signal to which an organism responds
sexual reproduction type of reproduction in which cells from two parents unite to form the first cell of a new organism
asexual reproduction process of reproduction involving a single parent that results in offspring taht are genetically identical
homeostasis relitively constant intermal physical and chemical conditions that organism maintain
metabolism the combination of chemical reactions through which an orgamism builds up or breaks down materials
bioshpere part of Earth in which life exists including land, water, and air of atmosphere
Created by: atchleya16
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