Miller and Levine Biology Chapter 1

STUDY
PLAY
science
an organized way of gathering and analyzing evidence about the natural world
observation
the act of noticing and describing events or processes in a careful, orderly way
inference
logical interpretation based on what scientists already know
hypothesis
a scientific explanation for a set of observations that can be tested in was that support or reject it
controlled experiment
experiment in which only one variable is changed
independent variable
variable that is deliberately changed
dependent variable
variable that is observed and changes in response to the independent variable
control group
exposed to the same conditions as the experimental group except for one independent variable
data
detailed records of experimental observations
theory
ties hypotheses together, unifies a broad range of observations and hypotheses
bias
particular preference or point of view that is personal
biology
study of life
DNA
deoxyribonucleic acid; complex information needed to grow, live and reproduce
stimulus
signal to which an organism responds
sexual reproduction
cells from two parents unite to form the first cell of a new organism
asexual reproduction
single organism produces offspring identical to itself
homeostasis
keeping internal environment stable
metabolism
combination of chemical reactions through which an organism builds up or breaks down materials
biosphere
literally means "living planet"

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