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Vocab. List Ch. 1

Biology Vocabulary List Chapter 1

TermDefinition
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 A possible explanation for a set of observations or possible answer to a scientific question.
Controlled Experiment An experiment in which only one variable is changed.
Independent Variable A factor in a controlled experiment that is deliberately changed; also called 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 predictions about new situations.
Bias A particular preference or point of view that is personal, rather than scientific.
Biology The scientific study of life.
Deoxyribonucleic acid (DNA) Genetic material that organisms inherit from their parents.
Stimulus (pl. Stimuli) Signal to which an organism responds.
Sexual Reproduction Type of reproduction in which two cells from two parents unite to form one 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 Earth in which life exists including land, water, and air or atmosphere.
Created by: Perseus99
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