click below
click below
Normal Size Small Size show me how
boi chater 1
| Term | Definition |
|---|---|
| science | organized way of gathering and analyzing evidence about the natural world |
| observation | the act of nothing and describing events or processes in a careful orderly way |
| inference | a logical interpretation based on what scientist already know |
| hypothesis | a set of observation that can be tested in ways that support or reject it |
| controlled experiment | other variable should be kept unchanged, or controlled |
| independent variable | factor in a controlled experiment that is deliberately changed |
| dependent variable | that changes in response to the independent variable |
| control group | exposed to same conditions as the experiment group for 1 independent variable |
| data | gathering informative |
| theory | that ties a hypotheses together |
| bias | a particular preference or point of view that is personal |
| biology | is the study of life |
| DNA | in a genetic code written in a molecule |
| stimulus | a signal to which an organism responds |
| sexual reproduction | cells from 2 parents untie to form the first cell of a new organism |
| asexual reproduction | a single organism produces offspring identical to itself |
| homeostasis | when external conditions change dramatically |
| metabolism | an organism builds up or breaks down materials |
| biosphere | living plant |