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ULS Bio List 1
1.1, 1.2, 1.3
| Question | Answer |
|---|---|
| Science | Organized way of gathering and analyzing evidence about the natural world |
| Observation | Process of noticing and describing events or processes in a careful, orderly way |
| Inference | a logical interpretation based on prior knowledge and experience |
| Hypothesis | possible explanation for a set of observations or possible answer to a scientific question |
| Controlled experiment | experiment in which only one variable is changed |
| independent variable | factor in a controlled experiment that is deliberately changed; also called a manipulated variable |
| dependent variable | variable that is observed and that changes in response to the independent variable; also called the responding variable |
| control group | group in an experiment that is exposed to the same conditions as the experimental group except for one independent variable |
| data | evidence; information gathered from observations |
| theory | well-tested explanation that unifies a broad range of observations and hypotheses, and enables scientists to make accurate predications about new situations |
| bias | particular preference or point of view that is personal, rather than scientific |
| biology | scientific study of life |
| DNA | genetic material that organisms inherit from their parents (deoxyribonucleic acid) |
| stimulus | signal to which an organism responds |
| sexual reproduction | type of reproduction in which cells from tow parents unite to form the first cell of a new organism |
| asexual reproduction | process of reproduction involving a single parent that results in offspring that are genetically identical to the parent |
| homeostasis | relatively constant internal physical and chemical conditions that organisms maintain |
| Metabolism | the combination of chemical reactions through which an organism builds up or breaks down materials |
| biosphere | part of the Earth in which life exists including land, water, and air or atmosphere |