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Unit 1 Definitions

Biology 110

Hypothesis A focused question used as basis to design an experiment; testable, based on prior knowledge
Theory Well supported scientific explanation; concept supported by a broad range of observations, hypotheses, experiments and data
Experimental (independent) variable A factor that is hypothesized to influence a dependent variable
Response (dependent) variable Response that may be under the influence of an independent variable
Control group goes through all aspects of the experiment, but lacks the factor being tested
Variable Any changeable element in an experiment
Homeostasis A state of internal constancy in the presence of changing external conditions
Adaptation Inherited trait that permits an organism to survive and reproduce
Experimental group Group in an experiment that receives the variable being tested
Null hypothesis Hypothesis being tested shows no significant difference between the two variables, any observed difference is due to sampling or experimental error
Created by: corinaallene