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Bio Ch 1
| Term | Definition |
|---|---|
| Science | An organized way of gathering and analyzing evidence about the natural world. |
| Observation | The act of noticing and describing events or processes in a careful, orderly way. |
| Inference | a logical interpretation based on what scientists already know |
| Hypothesis | A scientific explanation for a set of observations that can be tested in ways that support or reject it. |
| controlled experiment | An experiment in which only one variable is changed |
| independent variable | The variable that is deliberately changed |
| dependent variable | The variable that is observed and that changes in response to the independent variable |
| control group | Exposed to the same conditions as the experimental group except for one independent variable |
| Data | Information gathered from observations |
| Theory | Evidence from many scientific studies that support the same hypothesis can form this |
| Bias | A particular preference or point of view that is personal, rather than scientific. |
| Biology | The study of life |
| DNA | All organisms store the complex information they need to live, grow, and reproduce in a genetic code written in a molecule called this |
| Stimulus | A signal to which an organism responds |
| sexual reproduction | Cells from two parents unite to form the first cell of a new organism |
| asexual reproduction | A single organism produces offspring identical to itself |
| Homeostasis | An organism's ability to maintain steady internal conditions even when external conditions change dramatically. |
| Metabolism | The combination of chemical reactions through which an organism builds up or breaks down materials |
| Biosphere | Consists of all life on Earth and all parts of the Earth in which life exists, including land, water, and the atmosphere. |
Created by:
beckerk
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