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Biology

WCHS Biology Chapter 1

WordDefinition
Biology the study of life
Organism anything that possesses all the characteristics of life
Organization orderly structure of cells in an organism; a characteristic of all living things
Species group of organisms that can interbreed and produce fertile offspring in nature
Reproduction production of offspring by an organism
Growth increase the amount of living material and formation of new structures in an organism
Development all the changes that take place during the life of an organism
Environment biotic and abiotic surroundings to which an organism must constantly adjust
Stimulus anything in an organism's internal environment that causes the organism to react
Response an organism's reaction to a change in its internal or external environment
Homeostasis organism's regulation of its internal environment to maintain conditions suitable for survival
Energy the ability to cause change
Adaptation evolution of a structure, behavior, or internal process that enables an organism to respond to environmental factors and live to produce offspring
Evolution gradual change in a species through adaptations over time
Theory expanation of natural phenomenon supported by a large body of scientific evidence
Data information obtained from experiments, sometimes called experimental results
Safety Symbol a symbol that warns you about a danger that may exsist from chemicals, electricity, heat, or experimental procedures
Dependent Variable in an experiment, the condition that results from changes in the independent variable
Independent Variable in an experiment, the condition that is tested because it affects the outcome of the experiment
Control in an experiment, the standard against which results are compound
Experiment procedure that tests a hypothesis by collecting information under controlled conditions
Hypothesis explanation for a question or a problem that can be formally tested
Scientific Methods procedures that biologists and other scientists use to gather information and answer questions
Ethics the moral principles and values held by humans
Technology application of scientific research to society's needs and problems
Created by: dmoudy
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