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25 Cards in this Set
- Front
- Back
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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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biology
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the study of life that seeks to provide an understanding of the natrual world
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development
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all of the changes that take place during the life of an organism; a characteristic of all living things
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energy
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the ability to cause change; organisms use energy to perform biological functions
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environment
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biotic and abiotic surroundings to which an organsim must constantly adjust; includes air, water, weather, temperature, other organisms, and many other factors
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evolution
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gradual change in a species through adaptations over time
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growth
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increase in the amount of living material and formation of new structures in an organism; a characteristic of all living things
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homeostasis
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organism's regulation of its internal environment to maintain conditions suitable for survival
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organism
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anything that possesses all the characteristics of life
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organization
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orderly structure of cells in an organism
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reproduction
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production of offspring by an organism
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response
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an organism's reaction to a change in its internal or external environmental
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species
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group of organisms that can interbreed and produce fertile offspring in nature
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stimulus
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anything in an organism's internal or external environment that causes the organism to react
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control
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in an experiment, the standard against which results are compared
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data
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information obtained from experiments, sometimes called experimental results
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dependent variable
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in an experiment, the condition that results from the changes in the independent variable
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experiment
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procedure that tests a hypothesis by collecting information under controlled conditions
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hypothesis
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explanation for a question or a problem that can be formally tested
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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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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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scientific methods
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procedures that biologists and other scientists use to gather information and answer questions
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theory
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explanation of natural phenomenon supported by a large body of scientific evidence obtained from many different investigations and observations
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ethics
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the moral principles and values held by humans
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technology
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application of scientific research to society's needs and problems
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