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Biology Chapter 1

QuestionAnswer
science organized way of gathering and analyzing evidence about thre natural world.
observation process of noticing and describing events or processes in a careful,orderly way.
inference a logical interpretation based on prior knowledge and experiment.
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 deliberately changed; also called manipulated variable.
dependent variable variable that is observed and that changes in response to the independent variable;also called the responding variable.
control group group in a 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 observations and hypotheses, and enables scientists 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 genetic material that organisms inherit from their parents
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 that are genetically identical to the parent.
homeostasis relatively constant internal physical and chemical conditions that organisms maintain
metabolism the combination of chemical reactions through which an organism builds up or breaks down materials
biosphere part of Earth in which life exists including land, water, and air or atmosphere
Created by: Kaywolff
 

 



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