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Chapter 1

QuestionAnswer
Science organized way of gathering and analyzing evidence about the natural world
Observation process of noticing and describing events or processes in a careful, orderly way
infernece 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 experiment experiment in which only one variable is changed
Independent variable factor in a controlled experiment that is deliberely changed; also called manipulated variable
dependent variable variable that is observerd and that changes in rosponse to the independent variable; also called the responding variable.
control group group in an experiment that is exposed to the same conditions as the experimental group except for one independent variable.
data evidence; information gathered from observations
theory well-tested explanation that unifies a broad range of observation and hypothese, and endables scientist to make accurate predications about new situations
bias particular preference or point of view that is personal, rather than scientific
biology Scientific study of life
DNA information organisms need to live, grow, and reproduce in a genetic code written in a molecute
stimulus signal to which as organism responds
sexual reprodution type of resroduction 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 that are genetically indentical to the parent
homeostasis relatively constant internal physical and chemeical conditions that organisms maintain
metabolism the combination of chemical reaction through which an organism builds up or breaks down materials
biosphere part of the Earth in which life exists inluding land, water, and air or atmosphere
Created by: bauerc16
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