| A | B |
|---|
| inference | assumptions based on prior experience |
| hypothesis | testable explanation of a situation |
| constant | factor that remains fixed during and experiment while other variables change |
| control group | the group not receiving the factor being tested |
| experimental group | the group receiving the factor being tested |
| dependent variable | factor being measured in a controlled experiment; its value changes because of changes to the independent variable |
| independent variable | the one factor that can be changed in a controlled experimentp; is the factor tested and affects the experiment outcome |
| species | group of organisms that can interbreed and produce fertile offspring |
