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Biology Chapter 1 YD

Chapter 1 vocab words

science gather/organize information about the natural world
observation process of noticing/describing events
inference logical interpretation based on prior knowledge
hypothesis possible explanation for a set of observations OR a possible answer to a scientific question
controlled experiment experiment in which only 1 variable is changed
independent variable factor in an experiment that is deliberately changed
dependent varible variable that is observed and changes based on what happens to the independent variable
control group exposed to same conditions as experimental group....except for 1 variable
data information/evidence gathered from observations
theory well tested explanation that unifies many observations/hypotheses
bias particular preference or point of view
biology study of life
DNA genetic material inherited from parents
stimulus signal to which an organism responds
sexual reproduction cells from 2 parents unite to form offspring
asexual reproduction process of reproduction involving a single parent
homeostasis constant internal conditions of living things
metabolism the combination of chemical reactions occurring inside of a living organism
biosphere zone around earth where all life exists
Created by: jamesweide