| A | B |
|---|
| science | organized way of using evidence |
| observation | gathering information about events in orderly way |
| data | information gathered from observation |
| inference | logical interpretation based on prior knowledge |
| hypothesis | scientific explanation for a set of observations |
| spontaneous generation | theory that life comes from nonliving things |
| controlled experiment | variables are kept unchanged |
| manipulated variable | variable that is deliberately changed |
| responding variable | variable tht is observed and change in response to the manipulated variable |
| theory | hypothesis that is supported |
| biology | study of life |
| cell | collection of living matter enclosed by a barrier that separated cell from surroundings |
| sexual reproduction | cells from two different parents |
| asexual reproduction | new organism has one parent |
| metabolism | chemical reactions where organisms build up or break down materials |
| stimulus | signal to which organism responds |
| homeostasis | steady state of balance |
| evolution | slow and gradual change in organisms |
| metric system | decimal system of measurement |
| microscope | tool that magnifies images |
| compound light microscope | allows light to mass through specimen and uses 2 lenses |
| electron microscope | beams of electrons produce images |
| cell culture | groups of cells develop from one original cell |
| cell fractionation | separation different cell parts |
