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Biology Chapter 1 YD
Chapter 1 vocab words
Term | Definition |
---|---|
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 |