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25 Cards in this Set
- Front
- Back
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Define adaptation
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evolution of a structure, behavior, or internal process that enables an organism to respond to environmental factors and live to produce offspring
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Define biology
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the study of life that seeks to provide an understanding of the natural world
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Define development
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all of the changes that take place during the life of an organism
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Define energy
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the ability to cause change
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Define environment
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biotic and abiotic surroundings to which an organism must constantly adjust
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Define evolution
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gradual change in a species through adaptations over time
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Define growth
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increase in the amount of living material and formation of new structures in an organism
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Define homestasis
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organism's regulation if its internal environment to maintain conditions suitable for survival
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Define organism
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anything that possess all the characteristics of life
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Define organization
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orderly structure of cells in an organism
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Define reproduction
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production of offspring by an organism
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Define response
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an organism's reaction to a change in its internal or external enviorment
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Define species
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group of organisms that can interbreed and produce fertile offspring in nature
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Define stimulus
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anything in an organism's internal or external environment that causes the organism to react
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Define control
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in an experiment, the standard against which results are compared
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Define data
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information obtained from experiments, sometimes called experimental results
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Define dependent variable
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in an experiment, the condition that results from changes in the independent variable
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Define experiment
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procedure that tests a hypothesis by collecting information under controlled conditions
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Define hypothesis
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explanation for a question or a problem that could be formally tested
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Define independent variable
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in an experiment, the condition that is tested because it affects the outcome of the experiment
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Define safety symbol
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symbol that warns you about a danger that may exist from chemicals, electricity, heat, or experimental procedures
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Define scientific methods
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procedures that biologists and other scientist use to gather information and answer questions
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Define theory
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explanation of natural phenomenon supported by a large body of scientific evidence obtained from many different investagations and observations
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Define ethics
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the moral priciples and values held by humans
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Define technology
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application of scientific research to society's needs and problems
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